diff --git a/.github/DISCUSSION_TEMPLATE/request-a-city.yml b/.github/DISCUSSION_TEMPLATE/request-a-city.yml
new file mode 100644
index 0000000..86062fd
--- /dev/null
+++ b/.github/DISCUSSION_TEMPLATE/request-a-city.yml
@@ -0,0 +1,33 @@
+title: "[city request] "
+labels: ["community"]
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Want StudyMap to cover your city? Tell us which one and why, we use these
+        requests to prioritize where the dataset grows next.
+  - type: input
+    id: city
+    attributes:
+      label: Which city?
+      description: Name the city (and state/country if it could be ambiguous).
+    validations:
+      required: true
+  - type: textarea
+    id: why
+    attributes:
+      label: Why this city?
+      description: What makes it student-relevant, e.g. exam centres, colleges, coaching hubs.
+    validations:
+      required: true
+  - type: dropdown
+    id: help
+    attributes:
+      label: Willing to help with data?
+      description: Adding places is a PR, see CONTRIBUTING.md.
+      options:
+        - "Yes, I can contribute places"
+        - "Maybe, depends on scope"
+        - "No, just requesting"
+    validations:
+      required: true
diff --git a/ARCHITECTURE.md b/ARCHITECTURE.md
index f1a709f..fdead23 100644
--- a/ARCHITECTURE.md
+++ b/ARCHITECTURE.md
@@ -137,7 +137,7 @@ Pure TypeScript modules. No JSX, no React imports. Each file has a single respon
 | File | What it does |
 |------|-------------|
 | `types.ts` | `Place`, `PlaceType`, `City` types; label maps |
-| `places.ts` | Imports all 8 JSON files; exports `getPlaces()` and `filterPlaces()` |
+| `places.ts` | Reads places from `studymap.config.ts`; exports `getPlaces()` and `filterPlaces()` |
 | `geo.ts` | Haversine distance, `placesByDistance()`, `formatDistance()` |
 | `map.ts` | `PLACE_TYPE_COLORS` (color-blind-safe palette); `directionsUrl()` |
 | `share.ts` | URL state encode/decode for shareable filtered map links |
@@ -151,10 +151,10 @@ Pure TypeScript modules. No JSX, no React imports. Each file has a single respon
 ## Data flow
 
 ```
-data/places/*.json
+studymap.config.ts         imports data/places/*.json, exports the merged Place[]
        │
        ▼
-src/lib/places.ts          getPlaces() merges all 8 files into one Place[]
+src/lib/places.ts          getPlaces() reads the config's Place[]
        │                   filterPlaces() narrows by type and/or city
        ▼
 src/components/map/places-map.tsx
@@ -176,7 +176,7 @@ src/components/pins/pin-popup.tsx
           buildShareUrl(state)     ←  src/lib/share.ts
 ```
 
-**No network requests at runtime.** The JSON is bundled at build time via static `import` statements in `places.ts`. The Leaflet tile layer (OpenStreetMap) is the only external request when the map is open.
+**No network requests at runtime.** The JSON is bundled at build time via static `import` statements in `studymap.config.ts`. The Leaflet tile layer is the only external request when the map is open.
 
 ---
 
@@ -189,10 +189,13 @@ The single aggregation point for place data. Every component that needs places c
 ```ts
 getPlaces(): Place[]
 filterPlaces(places, { types?, cities? }): Place[]
-MMR_CENTER   // [lat, lng] for the initial map view
-MMR_DEFAULT_ZOOM
+getCities(places, preferredOrder?): City[]
 ```
 
+Region and dataset settings (initial map center, default zoom, coordinate bounds, the
+city display order, and which `data/places/*.json` files get loaded) live in
+`studymap.config.ts` at the repo root, the one file a fork edits to retarget StudyMap.
+
 ### `src/lib/geo.ts`
 
 All distance math lives here. Used by `places-map.tsx` to find the five nearest places when the user enables geolocation.
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 172160d..bf03d4c 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -148,6 +148,11 @@ Use [Conventional Commits](https://www.conventionalcommits.org/): `<type>: <shor
 
 Optional scope in parens: `feat(calendar): add today label`. One logical change per commit.
 
+## Get recognized
+
+First merged PR? Add your GitHub handle to [CONTRIBUTORS.md](CONTRIBUTORS.md), in the
+same PR or a quick follow-up.
+
 ## House rules
 
 - No em dashes in any copy
diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
new file mode 100644
index 0000000..458a278
--- /dev/null
+++ b/CONTRIBUTORS.md
@@ -0,0 +1,16 @@
+# Contributors
+
+Everyone who has helped build StudyMap, whether through code, data, or docs.
+
+- [@AnayDhawan](https://github.com/AnayDhawan)
+- [@yakew7](https://github.com/yakew7)
+- [@shauryagangrade](https://github.com/shauryagangrade)
+- [@shauryagangrade-blip](https://github.com/shauryagangrade-blip)
+- [@Circout-sudo](https://github.com/Circout-sudo)
+- [@thunderrblitzyt-eng](https://github.com/thunderrblitzyt-eng)
+
+## Adding yourself
+
+Opened your first merged PR? Add your GitHub handle to the list above, alphabetical
+order doesn't matter, append it. Do this in the same PR as your contribution, or a
+quick follow-up if you forgot.
diff --git a/README.md b/README.md
index 52fc321..019e064 100644
--- a/README.md
+++ b/README.md
@@ -95,10 +95,24 @@ data/
 - **shadcn/ui + Tailwind v4** (UI components)
 - **next-themes** (dark/light mode)
 
+## Running your own fork
+
+Want StudyMap for a different city? Click "Use this template" above, then follow
+[SELF-HOSTING.md](SELF-HOSTING.md): set your region and dataset in one config file, optionally
+wire up your own Supabase project for sign-in, and deploy.
+
 ## Contributing
 
 See [CONTRIBUTING.md](CONTRIBUTING.md).
 
+## Good first issues
+
+New here? Start with an issue tagged [`good first issue`](https://github.com/StudentSuite/StudyMap/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+issue%22) or browse everything tagged [`help wanted`](https://github.com/StudentSuite/StudyMap/issues?q=is%3Aissue+is%3Aopen+label%3A%22help+wanted%22). Adding a place from your own neighbourhood ([#18](https://github.com/StudentSuite/StudyMap/issues/18)) needs no coding at all.
+
+## Contributors
+
+See [CONTRIBUTORS.md](CONTRIBUTORS.md).
+
 ## License
 
 MIT. See [LICENSE](LICENSE).
diff --git a/SELF-HOSTING.md b/SELF-HOSTING.md
new file mode 100644
index 0000000..228eb97
--- /dev/null
+++ b/SELF-HOSTING.md
@@ -0,0 +1,114 @@
+# Self-hosting StudyMap
+
+Run StudyMap for your own city. Everything below works from a fork, no coding required beyond
+editing one config file and your place data.
+
+## What you get out of the box
+
+- The interactive map, filters, search, and calendar for whatever `data/places/*.json` you provide.
+- Two optional, signed-in-only features (saved places, personal calendar events) if you set up your
+  own Supabase project. Skip that section entirely and the app still works, just without those.
+
+## 1. Get the code
+
+Click "Use this template" at the top of [StudentSuite/StudyMap](https://github.com/StudentSuite/StudyMap)
+to create your own copy, then clone it:
+
+```bash
+git clone https://github.com/<your-account>/<your-fork>.git
+cd <your-fork>
+npm install
+```
+
+## 2. Set your region and dataset
+
+Everything region- and data-specific lives in one file: `studymap.config.ts` at the repo root.
+
+```bash
+cp studymap.config.example.ts studymap.config.ts
+```
+
+Edit it:
+
+- `center`: `[lat, lng]` for the initial map view
+- `defaultZoom`: initial zoom level (11-13 works well for a metro area)
+- `bounds`: rough coordinate box around your region, used for data validation and map fitting
+- `cities`: display order for the city filter (any city present in your data but missing here
+  still shows, just sorted alphabetically after)
+- `places`: swap the sample imports for your own `data/places/*.json` files
+
+The dataset itself follows the schema in [`data/CONTRIBUTING.md`](data/CONTRIBUTING.md): one JSON
+file per place type, one object per place, with `id`, `name`, `type`, `city`, `lat`, `lng`,
+`gmaps_link`, and `added_by`. `data/places.sample/` has two minimal example entries if you want to
+start from a clean skeleton instead of the Mumbai dataset that ships with the template.
+
+Validate as you go:
+
+```bash
+npm run validate
+```
+
+## 3. Environment variables
+
+```bash
+cp .env.example .env.local
+```
+
+- `NEXT_PUBLIC_MAPTILER_KEY` is required for the map basemap. Free tier, no credit card, at
+  [cloud.maptiler.com](https://cloud.maptiler.com/account/keys/).
+- The Supabase variables are optional. Leave them blank and the map, filters, and calendar all
+  work; you just won't get sign-in or the two private features below. See step 5 to fill them in.
+
+## 4. Run it
+
+```bash
+npm run dev
+```
+
+Open [http://localhost:3000/map](http://localhost:3000/map) and confirm your places show up in
+the right spot.
+
+## 5. Optional: sign-in, saved places, and personal calendar events
+
+These three features (`src/app/login`, saved custom places, personal calendar events) need a
+Supabase project:
+
+1. Create a free project at [supabase.com](https://supabase.com).
+2. Copy its URL and anon key into `.env.local` (`NEXT_PUBLIC_SUPABASE_URL`, `NEXT_PUBLIC_SUPABASE_ANON_KEY`).
+3. In the Supabase SQL editor, run every file in `supabase/migrations/`, in filename order. Each
+   one creates its tables with row-level security already scoped to `auth.uid()`, so users can
+   only ever read or write their own rows.
+4. Enable whichever auth providers you want (email, Google, etc.) under Authentication > Providers.
+
+Skip this whole section if you only want the public map and calendar.
+
+## 6. Deploy
+
+Deploy like any standard Next.js app, for example on Vercel:
+
+```bash
+npx vercel
+```
+
+or import the repo at [vercel.com/new](https://vercel.com/new) and set the same environment
+variables from step 3 in the project settings.
+
+**Static export (`output: "export"`) is not supported.** Sign-in needs a live server: the OAuth
+callback route exchanges a code for a session server-side, and middleware refreshes that session
+on every request. Both are incompatible with a static build. Deploy to a normal server/edge
+runtime instead, that's the default for Vercel and most other Next.js hosts.
+
+## Keeping your fork current
+
+StudyMap doesn't push updates to forks automatically. To pull in upstream fixes, add the original
+repo as a remote and merge from it:
+
+```bash
+git remote add upstream https://github.com/StudentSuite/StudyMap.git
+git fetch upstream
+git merge upstream/main
+```
+
+Your `studymap.config.ts`, `.env.local`, and `data/places/*.json` are yours, upstream changes to
+shared code (map, calendar, components) merge in without touching them, unless you've also edited
+those files.
diff --git a/data/places.sample/book_shop.json b/data/places.sample/book_shop.json
new file mode 100644
index 0000000..e1963dd
--- /dev/null
+++ b/data/places.sample/book_shop.json
@@ -0,0 +1,13 @@
+[
+  {
+    "id": "example-book_shop-01",
+    "name": "Example Street Book Shop",
+    "type": "book_shop",
+    "city": "example_city",
+    "lat": -0.01,
+    "lng": 0.01,
+    "address": "Replace with a real address",
+    "gmaps_link": "https://maps.google.com/?q=-0.01,0.01",
+    "added_by": "your-github-handle"
+  }
+]
diff --git a/data/places.sample/library.json b/data/places.sample/library.json
new file mode 100644
index 0000000..0201583
--- /dev/null
+++ b/data/places.sample/library.json
@@ -0,0 +1,24 @@
+[
+  {
+    "id": "example-library-01",
+    "name": "Example City Central Library",
+    "type": "library",
+    "city": "example_city",
+    "lat": 0,
+    "lng": 0,
+    "address": "Replace with a real address",
+    "gmaps_link": "https://maps.google.com/?q=0,0",
+    "added_by": "your-github-handle"
+  },
+  {
+    "id": "example-library-02",
+    "name": "Example University Library",
+    "type": "library",
+    "city": "example_city",
+    "lat": 0.01,
+    "lng": 0.01,
+    "address": "Replace with a real address",
+    "gmaps_link": "https://maps.google.com/?q=0.01,0.01",
+    "added_by": "your-github-handle"
+  }
+]
diff --git a/docs/OFFLINE_CACHING.md b/docs/OFFLINE_CACHING.md
new file mode 100644
index 0000000..033ca4b
--- /dev/null
+++ b/docs/OFFLINE_CACHING.md
@@ -0,0 +1,43 @@
+# Offline caching and stale content
+
+StudyMap is a Progressive Web App (PWA). It registers a service worker
+(`public/sw.js`) so the map still opens on exam day with a weak or absent
+signal. This also means the app can keep serving cached content after a
+deploy ships, which can look like "the fix never happened" when really your
+browser or installed PWA is still holding the previous version.
+
+## What gets cached
+
+The service worker keeps two caches, both versioned by `VERSION` in
+`public/sw.js`:
+
+- **App cache** (`app-<version>`): the app shell (`/`, `/offline`,
+  `/manifest.webmanifest`), plus build output under `/_next/static` and
+  `/icons`. Static build assets are cache-first since they're
+  content-hashed and never change under the same URL. Page navigations try
+  the network first and fall back to the cache when offline.
+- **Tile cache** (`tiles-<version>`): map tiles from `api.maptiler.com`,
+  cache-first, capped at 300 tiles so it doesn't grow unbounded.
+
+On every deploy, `VERSION` changes, which causes the new service worker to
+delete all caches that don't match the new version on activation. In most
+cases a normal reload picks up the new version automatically. Staleness
+happens when the browser hasn't fetched the new `sw.js` yet, usually because
+the old service worker is still controlling the page or the browser served
+`sw.js` itself from an HTTP cache.
+
+## Forcing a fresh load
+
+If the map or UI looks out of date after a known deploy, try these in order:
+
+1. **Hard refresh**: reload while bypassing the cache (Cmd+Shift+R on
+   Mac, Ctrl+Shift+R on Windows/Linux, or Ctrl+F5).
+2. **Clear site data**: in browser dev tools, Application (Chrome/Edge) or
+   Storage (Firefox) tab, clear Service Workers, Cache Storage, and Storage
+   for the site, then reload.
+3. **Uninstall and reinstall the PWA**: if StudyMap was installed as an app,
+   remove it from your device and reinstall from the site to pick up a
+   fresh service worker.
+
+If none of these help, the deploy itself likely hasn't shipped yet, so
+check the deployment status before assuming it's a caching issue.
diff --git a/package-lock.json b/package-lock.json
index dea433b..bc11c1c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -30,6 +30,8 @@
       },
       "devDependencies": {
         "@tailwindcss/postcss": "^4",
+        "@testing-library/jest-dom": "^6.9.1",
+        "@testing-library/react": "^16.3.2",
         "@types/leaflet": "^1.9.21",
         "@types/node": "^20",
         "@types/react": "^19",
@@ -37,10 +39,19 @@
         "@types/supercluster": "^7.1.3",
         "eslint": "^9",
         "eslint-config-next": "16.2.7",
+        "jsdom": "^29.1.1",
         "tailwindcss": "^4",
-        "typescript": "^5"
+        "typescript": "^5",
+        "vitest": "^4.1.9"
       }
     },
+    "node_modules/@adobe/css-tools": {
+      "version": "4.5.0",
+      "resolved": "https://registry.npmjs.org/@adobe/css-tools/-/css-tools-4.5.0.tgz",
+      "integrity": "sha512-6OzddxPio9UiWTCemp4N8cYLV2ZN1ncRnV1cVGtve7dhPOtRkleRyx32GQCYSwDYgaHU3USMm84tNsvKzRCa1Q==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@alloc/quick-lru": {
       "version": "5.2.0",
       "resolved": "https://registry.npmjs.org/@alloc/quick-lru/-/quick-lru-5.2.0.tgz",
@@ -54,6 +65,57 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/@asamuzakjp/css-color": {
+      "version": "5.1.11",
+      "resolved": "https://registry.npmjs.org/@asamuzakjp/css-color/-/css-color-5.1.11.tgz",
+      "integrity": "sha512-KVw6qIiCTUQhByfTd78h2yD1/00waTmm9uy/R7Ck/ctUyAPj+AEDLkQIdJW0T8+qGgj3j5bpNKK7Q3G+LedJWg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@asamuzakjp/generational-cache": "^1.0.1",
+        "@csstools/css-calc": "^3.2.0",
+        "@csstools/css-color-parser": "^4.1.0",
+        "@csstools/css-parser-algorithms": "^4.0.0",
+        "@csstools/css-tokenizer": "^4.0.0"
+      },
+      "engines": {
+        "node": "^20.19.0 || ^22.12.0 || >=24.0.0"
+      }
+    },
+    "node_modules/@asamuzakjp/dom-selector": {
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/@asamuzakjp/dom-selector/-/dom-selector-7.1.1.tgz",
+      "integrity": "sha512-67RZDnYRc8H/8MLDgQCDE//zoqVFwajkepHZgmXrbwybzXOEwOWGPYGmALYl9J2DOLfFPPs6kKCqmbzV895hTQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@asamuzakjp/generational-cache": "^1.0.1",
+        "@asamuzakjp/nwsapi": "^2.3.9",
+        "bidi-js": "^1.0.3",
+        "css-tree": "^3.2.1",
+        "is-potential-custom-element-name": "^1.0.1"
+      },
+      "engines": {
+        "node": "^20.19.0 || ^22.12.0 || >=24.0.0"
+      }
+    },
+    "node_modules/@asamuzakjp/generational-cache": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@asamuzakjp/generational-cache/-/generational-cache-1.0.1.tgz",
+      "integrity": "sha512-wajfB8KqzMCN2KGNFdLkReeHncd0AslUSrvHVvvYWuU8ghncRJoA50kT3zP9MVL0+9g4/67H+cdvBskj9THPzg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": "^20.19.0 || ^22.12.0 || >=24.0.0"
+      }
+    },
+    "node_modules/@asamuzakjp/nwsapi": {
+      "version": "2.3.9",
+      "resolved": "https://registry.npmjs.org/@asamuzakjp/nwsapi/-/nwsapi-2.3.9.tgz",
+      "integrity": "sha512-n8GuYSrI9bF7FFZ/SjhwevlHc8xaVlb/7HmHelnc/PZXBD2ZR49NnN9sMMuDdEGPeeRQ5d0hqlSlEpgCX3Wl0Q==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@babel/code-frame": {
       "version": "7.29.7",
       "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.29.7.tgz",
@@ -528,6 +590,159 @@
         }
       }
     },
+    "node_modules/@bramus/specificity": {
+      "version": "2.4.2",
+      "resolved": "https://registry.npmjs.org/@bramus/specificity/-/specificity-2.4.2.tgz",
+      "integrity": "sha512-ctxtJ/eA+t+6q2++vj5j7FYX3nRu311q1wfYH3xjlLOsczhlhxAg2FWNUXhpGvAw3BWo1xBcvOV6/YLc2r5FJw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "css-tree": "^3.0.0"
+      },
+      "bin": {
+        "specificity": "bin/cli.js"
+      }
+    },
+    "node_modules/@csstools/color-helpers": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/@csstools/color-helpers/-/color-helpers-6.1.0.tgz",
+      "integrity": "sha512-064IFJdjTfUqnjpCVpMOdbr8FLQBhinbZj6yRv2An2E41O/pLEXqfFRWqGq/SxlE5PEUYTlvWsG2r8MswAVvkg==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/csstools"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/csstools"
+        }
+      ],
+      "license": "MIT-0",
+      "engines": {
+        "node": ">=20.19.0"
+      }
+    },
+    "node_modules/@csstools/css-calc": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/@csstools/css-calc/-/css-calc-3.2.1.tgz",
+      "integrity": "sha512-DtdHlgXh5ZkA43cwBcAm+huzgJiwx3ZTWVjBs94kwz2xKqSimDA3lBgCjphYgwgVUMWatSM0pDd8TILB1yrVVg==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/csstools"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/csstools"
+        }
+      ],
+      "license": "MIT",
+      "engines": {
+        "node": ">=20.19.0"
+      },
+      "peerDependencies": {
+        "@csstools/css-parser-algorithms": "^4.0.0",
+        "@csstools/css-tokenizer": "^4.0.0"
+      }
+    },
+    "node_modules/@csstools/css-color-parser": {
+      "version": "4.1.9",
+      "resolved": "https://registry.npmjs.org/@csstools/css-color-parser/-/css-color-parser-4.1.9.tgz",
+      "integrity": "sha512-paQcIaOO53Rk5+YrBaBjm/SgrV4INImjo2BT1DtQRYr+XeTRbeAYlS+jxXp9drqvKmtFnWRJKIalDLhZZDu42A==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/csstools"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/csstools"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "@csstools/color-helpers": "^6.1.0",
+        "@csstools/css-calc": "^3.2.1"
+      },
+      "engines": {
+        "node": ">=20.19.0"
+      },
+      "peerDependencies": {
+        "@csstools/css-parser-algorithms": "^4.0.0",
+        "@csstools/css-tokenizer": "^4.0.0"
+      }
+    },
+    "node_modules/@csstools/css-parser-algorithms": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/@csstools/css-parser-algorithms/-/css-parser-algorithms-4.0.0.tgz",
+      "integrity": "sha512-+B87qS7fIG3L5h3qwJ/IFbjoVoOe/bpOdh9hAjXbvx0o8ImEmUsGXN0inFOnk2ChCFgqkkGFQ+TpM5rbhkKe4w==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/csstools"
+        },
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+    "node_modules/why-is-node-running": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/why-is-node-running/-/why-is-node-running-2.3.0.tgz",
+      "integrity": "sha512-hUrmaWBdVDcxvYqnyh09zunKzROWjbZTiNy8dBEjkS7ehEDQibXJ7XvlmtbwuTclUiIyN+CyXQD4Vmko8fNm8w==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "siginfo": "^2.0.0",
+        "stackback": "0.0.2"
+      },
+      "bin": {
+        "why-is-node-running": "cli.js"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/word-wrap": {
       "version": "1.2.5",
       "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.5.tgz",
@@ -11707,6 +13237,23 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/xml-name-validator": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/xml-name-validator/-/xml-name-validator-5.0.0.tgz",
+      "integrity": "sha512-EvGK8EJ3DhaHfbRlETOWAS5pO9MZITeauHKJyb8wyajUfQUenkIg2MvLDTZ4T/TgIcm3HU0TFBgWWboAZ30UHg==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/xmlchars": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/xmlchars/-/xmlchars-2.2.0.tgz",
+      "integrity": "sha512-JZnDKK8B0RCDw84FNdDAIpZK+JuJw+s7Lz8nksI7SIuU3UXJJslUthsi+uWBUYOwPFwW7W7PRLRfUKpxjtjFCw==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/y18n": {
       "version": "5.0.8",
       "resolved": "https://registry.npmjs.org/y18n/-/y18n-5.0.8.tgz",
diff --git a/package.json b/package.json
index 3861648..ebaa1e2 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,8 @@
     "build": "next build",
     "start": "next start",
     "lint": "eslint",
-    "validate": "node scripts/validate-places.mjs"
+    "validate": "node scripts/validate-places.mjs",
+    "test:unit": "vitest run"
   },
   "dependencies": {
     "@base-ui/react": "^1.5.0",
@@ -32,6 +33,8 @@
   },
   "devDependencies": {
     "@tailwindcss/postcss": "^4",
+    "@testing-library/jest-dom": "^6.9.1",
+    "@testing-library/react": "^16.3.2",
     "@types/leaflet": "^1.9.21",
     "@types/node": "^20",
     "@types/react": "^19",
@@ -39,7 +42,9 @@
     "@types/supercluster": "^7.1.3",
     "eslint": "^9",
     "eslint-config-next": "16.2.7",
+    "jsdom": "^29.1.1",
     "tailwindcss": "^4",
-    "typescript": "^5"
+    "typescript": "^5",
+    "vitest": "^4.1.9"
   }
 }
diff --git a/src/app/calendar/CalendarView.tsx b/src/app/calendar/CalendarView.tsx
index b693c9f..2bbc1af 100644
--- a/src/app/calendar/CalendarView.tsx
+++ b/src/app/calendar/CalendarView.tsx
@@ -1,14 +1,23 @@
 "use client";
 
-import { useState } from "react";
-import { ChevronLeft, ChevronRight } from "lucide-react";
+import { useEffect, useState } from "react";
+import type { User } from "@supabase/supabase-js";
+import { ChevronLeft, ChevronRight, Pencil, Plus } from "lucide-react";
 import { Badge } from "@/components/ui/badge";
+import { Button } from "@/components/ui/button";
 import {
   BOARD_LABELS,
   EXAM_EVENTS,
   type ExamBoard,
   type ExamEvent,
 } from "@/lib/exam-dates";
+import { createClient } from "@/lib/supabase/client";
+import {
+  fetchUserEvents,
+  PERSONAL_EVENT_CATEGORIES,
+  type PersonalEvent,
+} from "@/lib/user-events";
+import { PersonalEventDialog } from "@/components/calendar/personal-event-dialog";
 
 const BOARDS: ExamBoard[] = ["SAT", "IB", "IGCSE"];
 
@@ -18,6 +27,12 @@ const BOARD_COLORS: Record<ExamBoard, string> = {
   IGCSE: "#10b981",
 };
 
+const PERSONAL_EVENT_COLOR = "#ec4899";
+
+const PERSONAL_CATEGORY_LABELS = Object.fromEntries(
+  PERSONAL_EVENT_CATEGORIES.map((c) => [c.value, c.label]),
+);
+
 const MONTH_NAMES = [
   "January", "February", "March", "April", "May", "June",
   "July", "August", "September", "October", "November", "December",
@@ -54,6 +69,24 @@ function getEventsInMonth(year: number, month: number): ExamEvent[] {
   });
 }
 
+function toIsoDate(date: Date): string {
+  const y = date.getFullYear();
+  const m = String(date.getMonth() + 1).padStart(2, "0");
+  const d = String(date.getDate()).padStart(2, "0");
+  return `${y}-${m}-${d}`;
+}
+
+function getPersonalEventsInMonth(
+  events: PersonalEvent[],
+  year: number,
+  month: number,
+): PersonalEvent[] {
+  return events.filter((ev) => {
+    const d = new Date(ev.date + "T00:00:00");
+    return d.getFullYear() === year && d.getMonth() === month;
+  });
+}
+
 function getActiveDaysForEvent(ev: ExamEvent, year: number, month: number): Set<number> {
   const set = new Set<number>();
   if (!/^\d{4}-\d{2}-\d{2}$/.test(ev.examStart)) return set;
@@ -74,10 +107,67 @@ export function CalendarView() {
   const [year, setYear] = useState(today.getFullYear());
   const [month, setMonth] = useState(today.getMonth());
 
+  const [user, setUser] = useState<User | null>(null);
+  const [personalEvents, setPersonalEvents] = useState<PersonalEvent[]>([]);
+  const [dialogOpen, setDialogOpen] = useState(false);
+  const [editingEvent, setEditingEvent] = useState<PersonalEvent | null>(null);
+  const [lastUserId, setLastUserId] = useState<string | null>(null);
+
+  // Clear stale events as soon as the signed-in user changes, during render
+  // rather than an effect, so there's no stale-data flash.
+  const userId = user?.id ?? null;
+  if (userId !== lastUserId) {
+    setLastUserId(userId);
+    setPersonalEvents([]);
+  }
+
+  useEffect(() => {
+    const supabase = createClient();
+    supabase.auth.getUser().then(({ data }) => setUser(data.user));
+    const {
+      data: { subscription },
+    } = supabase.auth.onAuthStateChange((_, session) => setUser(session?.user ?? null));
+    return () => subscription.unsubscribe();
+  }, []);
+
+  useEffect(() => {
+    if (!user) return;
+    fetchUserEvents()
+      .then(setPersonalEvents)
+      .catch(() => setPersonalEvents([]));
+  }, [user]);
+
+  function handleSaved(saved: PersonalEvent) {
+    setPersonalEvents((prev) => {
+      const next = prev.some((e) => e.id === saved.id)
+        ? prev.map((e) => (e.id === saved.id ? saved : e))
+        : [...prev, saved];
+      return [...next].sort((a, b) => a.date.localeCompare(b.date));
+    });
+  }
+
+  function handleDeleted(id: string) {
+    setPersonalEvents((prev) => prev.filter((e) => e.id !== id));
+  }
+
+  function openAddDialog() {
+    setEditingEvent(null);
+    setDialogOpen(true);
+  }
+
+  function openEditDialog(ev: PersonalEvent) {
+    setEditingEvent(ev);
+    setDialogOpen(true);
+  }
+
   const events = getEventsInMonth(year, month);
+  const personalEventsThisMonth = getPersonalEventsInMonth(personalEvents, year, month);
   const firstDay = new Date(year, month, 1).getDay();
   const daysInMonth = new Date(year, month + 1, 0).getDate();
   const isThisMonth = today.getFullYear() === year && today.getMonth() === month;
+  const defaultDialogDate = isThisMonth
+    ? toIsoDate(today)
+    : toIsoDate(new Date(year, month, 1));
 
   const dayColors: Record<number, string[]> = {};
   for (const ev of events) {
@@ -89,6 +179,11 @@ export function CalendarView() {
     });
   }
 
+  const personalDays = new Set<number>();
+  for (const ev of personalEventsThisMonth) {
+    personalDays.add(new Date(ev.date + "T00:00:00").getDate());
+  }
+
   const cells: (number | null)[] = [
     ...Array(firstDay).fill(null),
     ...Array.from({ length: daysInMonth }, (_, i) => i + 1),
@@ -129,7 +224,7 @@ export function CalendarView() {
       </div>
 
       {/* Board legend */}
-      <div className="mb-4 flex flex-wrap gap-x-5 gap-y-2">
+      <div className="mb-4 flex flex-wrap items-center gap-x-5 gap-y-2">
         {BOARDS.map((board) => (
           <div key={board} className="flex items-center gap-1.5 text-sm text-muted-foreground">
             <span
@@ -139,8 +234,66 @@ export function CalendarView() {
             {BOARD_LABELS[board]}
           </div>
         ))}
+        {user && (
+          <div className="flex items-center gap-1.5 text-sm text-muted-foreground">
+            <span
+              className="h-0.5 w-3.5 rounded-full flex-shrink-0"
+              style={{ backgroundColor: PERSONAL_EVENT_COLOR }}
+            />
+            Your events
+          </div>
+        )}
       </div>
 
+      {/* Personal events for this month */}
+      {user && (
+        <div className="mb-6 space-y-3">
+          <div className="flex items-center justify-between">
+            <p className="text-xs font-semibold uppercase tracking-widest text-muted-foreground">
+              Your events
+            </p>
+            <Button size="sm" variant="outline" onClick={openAddDialog} className="gap-1">
+              <Plus className="size-3.5" />
+              Add event
+            </Button>
+          </div>
+
+          {personalEventsThisMonth.length === 0 ? (
+            <p className="rounded-lg border border-border py-6 text-center text-sm text-muted-foreground">
+              No personal events this month.
+            </p>
+          ) : (
+            personalEventsThisMonth.map((ev) => (
+              <div key={ev.id} className="rounded-lg border border-border p-4">
+                <div className="flex flex-wrap items-center gap-2">
+                  <span
+                    className="size-2.5 rounded-full flex-shrink-0"
+                    style={{ backgroundColor: PERSONAL_EVENT_COLOR }}
+                  />
+                  <p className="font-medium text-foreground">{ev.title}</p>
+                  <Badge variant="outline" className="text-xs text-muted-foreground">
+                    {PERSONAL_CATEGORY_LABELS[ev.category] ?? ev.category}
+                  </Badge>
+                  <Button
+                    size="icon-sm"
+                    variant="ghost"
+                    onClick={() => openEditDialog(ev)}
+                    aria-label={`Edit ${ev.title}`}
+                    className="ml-auto"
+                  >
+                    <Pencil className="size-3.5" />
+                  </Button>
+                </div>
+                <p className="mt-2 text-sm font-medium">{formatDate(ev.date)}</p>
+                {ev.notes && (
+                  <p className="mt-1 text-xs text-muted-foreground">{ev.notes}</p>
+                )}
+              </div>
+            ))
+          )}
+        </div>
+      )}
+
       {/* Events list for this month */}
       <div className="mb-6">
         {events.length === 0 ? (
@@ -234,26 +387,32 @@ export function CalendarView() {
 
             const colors = dayColors[day] ?? [];
             const hasEvent = colors.length > 0;
+            const hasPersonalEvent = personalDays.has(day);
             const isToday = isThisMonth && today.getDate() === day;
+            const titleParts = [
+              ...(hasEvent
+                ? events
+                    .filter((ev) => getActiveDaysForEvent(ev, year, month).has(day))
+                    .map((ev) => ev.session)
+                : []),
+              ...(hasPersonalEvent
+                ? personalEventsThisMonth
+                    .filter((ev) => new Date(ev.date + "T00:00:00").getDate() === day)
+                    .map((ev) => ev.title)
+                : []),
+            ];
 
             return (
               <div
                 key={day}
-                className={`aspect-square flex flex-col items-center justify-center gap-1 border-b border-r border-border last:border-r-0 transition-colors
-                  ${hasEvent && !isToday ? "bg-primary/5" : ""}
+                className={`relative aspect-square flex flex-col items-center justify-center gap-1 border-b border-r border-border last:border-r-0 transition-colors
+                  ${(hasEvent || hasPersonalEvent) && !isToday ? "bg-primary/5" : ""}
                 `}
-                title={
-                  hasEvent
-                    ? events
-                        .filter((ev) => getActiveDaysForEvent(ev, year, month).has(day))
-                        .map((ev) => ev.session)
-                        .join(", ")
-                    : undefined
-                }
+                title={titleParts.length ? titleParts.join(", ") : undefined}
               >
                 <span
                   className={`flex h-7 w-7 sm:h-8 sm:w-8 items-center justify-center rounded-full text-xs sm:text-sm font-medium
-                    ${isToday ? "bg-primary text-primary-foreground font-bold" : hasEvent ? "text-foreground" : "text-muted-foreground"}
+                    ${isToday ? "bg-primary text-primary-foreground font-bold" : hasEvent || hasPersonalEvent ? "text-foreground" : "text-muted-foreground"}
                   `}
                 >
                   {day}
@@ -274,11 +433,28 @@ export function CalendarView() {
                     ))}
                   </div>
                 )}
+                {hasPersonalEvent && (
+                  <span
+                    className="absolute bottom-1 h-0.5 w-3.5 rounded-full"
+                    style={{ backgroundColor: PERSONAL_EVENT_COLOR }}
+                  />
+                )}
               </div>
             );
           })}
         </div>
       </div>
+
+      {user && (
+        <PersonalEventDialog
+          open={dialogOpen}
+          onOpenChange={setDialogOpen}
+          event={editingEvent}
+          defaultDate={defaultDialogDate}
+          onSaved={handleSaved}
+          onDeleted={handleDeleted}
+        />
+      )}
     </div>
   );
 }
diff --git a/src/components/calendar/personal-event-dialog.tsx b/src/components/calendar/personal-event-dialog.tsx
new file mode 100644
index 0000000..6d88e2a
--- /dev/null
+++ b/src/components/calendar/personal-event-dialog.tsx
@@ -0,0 +1,192 @@
+"use client";
+
+import * as React from "react";
+import { Button } from "@/components/ui/button";
+import {
+  Dialog,
+  DialogContent,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+} from "@/components/ui/dialog";
+import { Input } from "@/components/ui/input";
+import { Label } from "@/components/ui/label";
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select";
+import {
+  createUserEvent,
+  deleteUserEvent,
+  updateUserEvent,
+  PERSONAL_EVENT_CATEGORIES,
+  type PersonalEvent,
+  type PersonalEventCategory,
+} from "@/lib/user-events";
+
+interface PersonalEventDialogProps {
+  open: boolean;
+  onOpenChange: (open: boolean) => void;
+  event: PersonalEvent | null;
+  defaultDate: string;
+  onSaved: (event: PersonalEvent) => void;
+  onDeleted: (id: string) => void;
+}
+
+export function PersonalEventDialog({
+  open,
+  onOpenChange,
+  event,
+  defaultDate,
+  onSaved,
+  onDeleted,
+}: PersonalEventDialogProps) {
+  const [title, setTitle] = React.useState("");
+  const [date, setDate] = React.useState(defaultDate);
+  const [category, setCategory] = React.useState<PersonalEventCategory>("deadline");
+  const [notes, setNotes] = React.useState("");
+  const [saving, setSaving] = React.useState(false);
+  const [error, setError] = React.useState<string | null>(null);
+  const [lastResetKey, setLastResetKey] = React.useState<string | null>(null);
+
+  // Re-fill the form during render (not an effect) each time the dialog
+  // opens, or opens for a different event, so there's no stale-data flash.
+  const resetKey = open ? event?.id ?? "new" : null;
+  if (resetKey !== lastResetKey) {
+    setLastResetKey(resetKey);
+    if (open) {
+      setTitle(event?.title ?? "");
+      setDate(event?.date ?? defaultDate);
+      setCategory(event?.category ?? "deadline");
+      setNotes(event?.notes ?? "");
+      setError(null);
+    }
+  }
+
+  async function handleSave() {
+    if (!title.trim() || !date) return;
+    setSaving(true);
+    setError(null);
+    try {
+      const input = {
+        title: title.trim(),
+        date,
+        category,
+        notes: notes.trim() || null,
+      };
+      const saved = event
+        ? await updateUserEvent(event.id, input)
+        : await createUserEvent(input);
+      onSaved(saved);
+      onOpenChange(false);
+    } catch {
+      setError("Couldn't save this event. Try again.");
+    } finally {
+      setSaving(false);
+    }
+  }
+
+  async function handleDelete() {
+    if (!event) return;
+    setSaving(true);
+    setError(null);
+    try {
+      await deleteUserEvent(event.id);
+      onDeleted(event.id);
+      onOpenChange(false);
+    } catch {
+      setError("Couldn't delete this event. Try again.");
+    } finally {
+      setSaving(false);
+    }
+  }
+
+  return (
+    <Dialog open={open} onOpenChange={onOpenChange}>
+      <DialogContent>
+        <DialogHeader>
+          <DialogTitle>{event ? "Edit event" : "Add event"}</DialogTitle>
+        </DialogHeader>
+
+        <div className="grid gap-3">
+          <div className="grid gap-1.5">
+            <Label htmlFor="personal-event-title">Title</Label>
+            <Input
+              id="personal-event-title"
+              value={title}
+              onChange={(e) => setTitle(e.target.value)}
+              placeholder="Application deadline"
+              maxLength={120}
+            />
+          </div>
+
+          <div className="grid gap-1.5">
+            <Label htmlFor="personal-event-date">Date</Label>
+            <Input
+              id="personal-event-date"
+              type="date"
+              value={date}
+              onChange={(e) => setDate(e.target.value)}
+            />
+          </div>
+
+          <div className="grid gap-1.5">
+            <Label htmlFor="personal-event-category">Category</Label>
+            <Select
+              value={category}
+              onValueChange={(value) => setCategory(value as PersonalEventCategory)}
+            >
+              <SelectTrigger id="personal-event-category" className="w-full">
+                <SelectValue />
+              </SelectTrigger>
+              <SelectContent>
+                {PERSONAL_EVENT_CATEGORIES.map((c) => (
+                  <SelectItem key={c.value} value={c.value}>
+                    {c.label}
+                  </SelectItem>
+                ))}
+              </SelectContent>
+            </Select>
+          </div>
+
+          <div className="grid gap-1.5">
+            <Label htmlFor="personal-event-notes">Notes</Label>
+            <textarea
+              id="personal-event-notes"
+              value={notes}
+              onChange={(e) => setNotes(e.target.value)}
+              rows={3}
+              maxLength={500}
+              className="w-full rounded-lg border border-input bg-transparent px-2.5 py-1.5 text-base outline-none placeholder:text-muted-foreground focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50 md:text-sm dark:bg-input/30"
+              placeholder="Optional"
+            />
+          </div>
+
+          {error && <p className="text-sm text-destructive">{error}</p>}
+        </div>
+
+        <DialogFooter>
+          {event && (
+            <Button
+              variant="destructive"
+              onClick={handleDelete}
+              disabled={saving}
+              className="sm:mr-auto"
+            >
+              Delete
+            </Button>
+          )}
+          <Button
+            onClick={handleSave}
+            disabled={saving || !title.trim() || !date}
+          >
+            {event ? "Save changes" : "Add event"}
+          </Button>
+        </DialogFooter>
+      </DialogContent>
+    </Dialog>
+  );
+}
diff --git a/src/components/home/hero-particles.tsx b/src/components/home/hero-particles.tsx
index b5f4b0e..49483e1 100644
--- a/src/components/home/hero-particles.tsx
+++ b/src/components/home/hero-particles.tsx
@@ -21,9 +21,13 @@ export function HeroParticles() {
   const [reducedMotion, setReducedMotion] = useState(false);
 
   useEffect(() => {
+    // Mount-only reads of browser-only APIs (SSR has no window); there's no
+    // prop to derive these from, so an effect-based sync is the only option.
+    /* eslint-disable react-hooks/set-state-in-effect */
     setMounted(true);
     const mq = window.matchMedia("(prefers-reduced-motion: reduce)");
     setReducedMotion(mq.matches);
+    /* eslint-enable react-hooks/set-state-in-effect */
     const onChange = () => setReducedMotion(mq.matches);
     mq.addEventListener("change", onChange);
     return () => mq.removeEventListener("change", onChange);
diff --git a/src/components/layout/theme-toggle.tsx b/src/components/layout/theme-toggle.tsx
index d017636..a572e84 100644
--- a/src/components/layout/theme-toggle.tsx
+++ b/src/components/layout/theme-toggle.tsx
@@ -10,6 +10,9 @@ export function ThemeToggle() {
   const { resolvedTheme, setTheme } = useTheme();
   const [mounted, setMounted] = React.useState(false);
 
+  // Mount-only flag to avoid an SSR/hydration mismatch (next-themes can't
+  // know the resolved theme on the server); there's no prop to derive this from.
+  // eslint-disable-next-line react-hooks/set-state-in-effect
   React.useEffect(() => setMounted(true), []);
 
   const isDark = resolvedTheme === "dark";
diff --git a/src/components/map/map-panel.tsx b/src/components/map/map-panel.tsx
index c76e70a..3b682b6 100644
--- a/src/components/map/map-panel.tsx
+++ b/src/components/map/map-panel.tsx
@@ -16,9 +16,25 @@ import {
 } from "@/components/ui/select";
 import { CategoryChips } from "@/components/map/category-chips";
 import { NearMeButton } from "@/components/map/near-me-button";
+import { MyPlacesPanel } from "@/components/map/my-places-panel";
 import { ResultsList, type ResultRow } from "@/components/map/results-list";
 import type { PlaceFilters } from "@/components/map/filters";
 import type { LatLng } from "@/lib/geo";
+import type { UserHome, UserPlaceRow } from "@/lib/user-places";
+
+export interface MyPlacesProps {
+  savedPlaces: UserPlaceRow[];
+  cities: City[];
+  query: string;
+  onQueryChange: (query: string) => void;
+  city: City | null;
+  onCityChange: (city: City | null) => void;
+  home: UserHome | null;
+  onAddPlace: () => void;
+  onEditPlace: (place: UserPlaceRow) => void;
+  onLocateHome: () => void;
+  onEditHome: () => void;
+}
 
 interface MapPanelProps {
   filters: PlaceFilters;
@@ -36,6 +52,9 @@ interface MapPanelProps {
   onLocated: (loc: LatLng) => void;
   onShare: () => void;
 
+  /** Signed-in-only saved places section; omitted entirely when logged out. */
+  myPlaces?: MyPlacesProps | null;
+
   showSearch?: boolean;
   showNearMe?: boolean;
   scrollChips?: boolean;
@@ -60,6 +79,7 @@ export function MapPanel({
   onSelectPlace,
   onLocated,
   onShare,
+  myPlaces,
   showSearch = true,
   showNearMe = true,
   scrollChips = false,
@@ -147,6 +167,8 @@ export function MapPanel({
         </div>
       )}
 
+      {myPlaces && <MyPlacesPanel {...myPlaces} />}
+
       <Separator />
 
       <p className="text-xs font-semibold text-foreground">
diff --git a/src/components/map/map-view.tsx b/src/components/map/map-view.tsx
index 2c376cc..204c65f 100644
--- a/src/components/map/map-view.tsx
+++ b/src/components/map/map-view.tsx
@@ -18,7 +18,7 @@ import {
 import type { Place, PlaceType } from "@/lib/types";
 import { PLACE_TYPES } from "@/lib/types";
 import type { LatLng } from "@/lib/geo";
-import { MAP_CENTER, DEFAULT_ZOOM } from "@/lib/constants";
+import studyMapConfig from "../../../studymap.config";
 import type { Bounds } from "@/lib/places";
 import { PLACE_TYPE_COLORS } from "@/lib/map";
 import { PinPopup } from "@/components/pins/pin-popup";
@@ -324,7 +324,7 @@ export default function MapView({
   focusId,
   focusBounds,
   interactive = true,
-  zoom = DEFAULT_ZOOM,
+  zoom = studyMapConfig.defaultZoom,
   closePopupTrigger = 0,
 }: MapViewProps) {
   const focusPlace = focusId
@@ -348,7 +348,7 @@ export default function MapView({
       className="size-full"
     >
     <MapContainer
-      center={MAP_CENTER}
+      center={studyMapConfig.center}
       zoom={zoom}
       scrollWheelZoom={false}
       dragging={interactive}
diff --git a/src/components/map/my-places-panel.tsx b/src/components/map/my-places-panel.tsx
new file mode 100644
index 0000000..39ee707
--- /dev/null
+++ b/src/components/map/my-places-panel.tsx
@@ -0,0 +1,160 @@
+"use client";
+
+import { Home, Pencil, Plus, Search } from "lucide-react";
+
+import { Badge } from "@/components/ui/badge";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select";
+import { Separator } from "@/components/ui/separator";
+import { humanizeCity, PLACE_TYPE_LABELS, type City } from "@/lib/types";
+import type { UserHome, UserPlaceRow } from "@/lib/user-places";
+
+interface MyPlacesPanelProps {
+  savedPlaces: UserPlaceRow[];
+  cities: City[];
+  query: string;
+  onQueryChange: (query: string) => void;
+  city: City | null;
+  onCityChange: (city: City | null) => void;
+  home: UserHome | null;
+  onAddPlace: () => void;
+  onEditPlace: (place: UserPlaceRow) => void;
+  onLocateHome: () => void;
+  onEditHome: () => void;
+}
+
+/** Signed-in-only saved-places layer: own search, own city filter, own CRUD. */
+export function MyPlacesPanel({
+  savedPlaces,
+  cities,
+  query,
+  onQueryChange,
+  city,
+  onCityChange,
+  home,
+  onAddPlace,
+  onEditPlace,
+  onLocateHome,
+  onEditHome,
+}: MyPlacesPanelProps) {
+  const q = query.trim().toLowerCase();
+  const filtered = savedPlaces.filter((p) => {
+    if (city && p.city !== city) return false;
+    if (q && !p.name.toLowerCase().includes(q)) return false;
+    return true;
+  });
+
+  return (
+    <>
+      <Separator />
+
+      <div className="flex items-center justify-between">
+        <p className="text-xs font-semibold text-foreground">My places</p>
+        <Button size="sm" variant="outline" onClick={onAddPlace} className="h-7 gap-1 px-2 text-xs">
+          <Plus className="size-3.5" />
+          Add
+        </Button>
+      </div>
+
+      {home ? (
+        <div className="flex items-center gap-2 text-xs text-muted-foreground">
+          <Home className="size-3.5 shrink-0" />
+          <span className="flex-1 truncate">{home.label}</span>
+          <Button size="sm" variant="ghost" className="h-6 px-1.5 text-xs" onClick={onLocateHome}>
+            Nearest to home
+          </Button>
+          <Button size="icon-sm" variant="ghost" onClick={onEditHome} aria-label="Edit home location">
+            <Pencil className="size-3.5" />
+          </Button>
+        </div>
+      ) : (
+        <Button size="sm" variant="ghost" className="h-7 justify-start px-1.5 text-xs text-muted-foreground" onClick={onEditHome}>
+          <Home className="size-3.5" />
+          Set home location
+        </Button>
+      )}
+
+      {savedPlaces.length > 0 && (
+        <>
+          <div className="relative">
+            <Search className="pointer-events-none absolute left-2.5 top-1/2 size-3.5 -translate-y-1/2 text-muted-foreground" />
+            <Input
+              type="search"
+              placeholder="Search your places..."
+              value={query}
+              onChange={(e) => onQueryChange(e.target.value)}
+              className="h-8 pl-7 text-sm"
+              aria-label="Search your saved places"
+            />
+          </div>
+
+          {cities.length > 1 && (
+            <Select
+              value={city ?? undefined}
+              onValueChange={(value) => onCityChange(value === "all" ? null : value)}
+            >
+              <SelectTrigger className="h-8 w-full text-sm">
+                <SelectValue placeholder="All your cities" />
+              </SelectTrigger>
+              <SelectContent>
+                <SelectItem value="all">All your cities</SelectItem>
+                {cities.map((c) => (
+                  <SelectItem key={c} value={c}>
+                    {humanizeCity(c)}
+                  </SelectItem>
+                ))}
+              </SelectContent>
+            </Select>
+          )}
+        </>
+      )}
+
+      <div className="flex min-h-0 flex-col gap-2 overflow-y-auto">
+        {savedPlaces.length === 0 ? (
+          <p className="rounded-lg border border-border py-4 text-center text-xs text-muted-foreground">
+            No saved places yet.
+          </p>
+        ) : filtered.length === 0 ? (
+          <p className="rounded-lg border border-border py-4 text-center text-xs text-muted-foreground">
+            No saved places match this search.
+          </p>
+        ) : (
+          filtered.map((place) => (
+            <div key={place.id} className="rounded-lg border border-border p-3">
+              <div className="flex items-center gap-2">
+                <p className="flex-1 truncate text-sm font-medium text-foreground">{place.name}</p>
+                <Button
+                  size="icon-sm"
+                  variant="ghost"
+                  onClick={() => onEditPlace(place)}
+                  aria-label={`Edit ${place.name}`}
+                >
+                  <Pencil className="size-3.5" />
+                </Button>
+              </div>
+              <div className="mt-1 flex flex-wrap items-center gap-1.5 text-xs text-muted-foreground">
+                <Badge variant="outline" className="text-xs">
+                  {PLACE_TYPE_LABELS[place.type]}
+                </Badge>
+                <span>{humanizeCity(place.city)}</span>
+              </div>
+              {place.address && (
+                <p className="mt-1.5 text-xs text-muted-foreground">{place.address}</p>
+              )}
+              {place.note && (
+                <p className="mt-1 text-xs text-muted-foreground/80">{place.note}</p>
+              )}
+            </div>
+          ))
+        )}
+      </div>
+    </>
+  );
+}
diff --git a/src/components/map/places-map.tsx b/src/components/map/places-map.tsx
index 42551a1..e3afe95 100644
--- a/src/components/map/places-map.tsx
+++ b/src/components/map/places-map.tsx
@@ -2,6 +2,7 @@
 
 import * as React from "react";
 import dynamic from "next/dynamic";
+import type { User } from "@supabase/supabase-js";
 import { ChevronUp, Search, SlidersHorizontal } from "lucide-react";
 import { toast } from "sonner";
 
@@ -10,12 +11,22 @@ import { PLACE_TYPES } from "@/lib/types";
 import { cityBounds, filterPlaces, getCities } from "@/lib/places";
 import { placesByDistance, type LatLng } from "@/lib/geo";
 import { buildShareUrl, mapStateToSearch, parseMapState } from "@/lib/share";
+import { createClient } from "@/lib/supabase/client";
+import {
+  fetchUserHome,
+  fetchUserPlaces,
+  userPlaceToPlace,
+  type UserHome,
+  type UserPlaceRow,
+} from "@/lib/user-places";
 import { Input } from "@/components/ui/input";
 import { Button } from "@/components/ui/button";
 import { MapErrorBoundary } from "@/components/map/map-error-boundary";
 import { MapPanel } from "@/components/map/map-panel";
 import { MapSheet, SHEET_SNAP_POINTS } from "@/components/map/map-sheet";
 import { NearMeFab } from "@/components/map/near-me-fab";
+import { UserPlaceDialog } from "@/components/map/user-place-dialog";
+import { UserHomeDialog } from "@/components/map/user-home-dialog";
 import type { ResultRow } from "@/components/map/results-list";
 import type { PlaceFilters } from "@/components/map/filters";
 
@@ -54,12 +65,46 @@ export function PlacesMap({ places }: PlacesMapProps) {
   });
   const hydrated = React.useRef(false);
 
+  const [user, setUser] = React.useState<User | null>(null);
+  const [savedPlaces, setSavedPlaces] = React.useState<UserPlaceRow[]>([]);
+  const [home, setHome] = React.useState<UserHome | null>(null);
+  const [myQuery, setMyQuery] = React.useState("");
+  const [myCity, setMyCity] = React.useState<string | null>(null);
+  const [placeDialogOpen, setPlaceDialogOpen] = React.useState(false);
+  const [editingPlace, setEditingPlace] = React.useState<UserPlaceRow | null>(null);
+  const [homeDialogOpen, setHomeDialogOpen] = React.useState(false);
+  const [lastUserId, setLastUserId] = React.useState<string | null>(null);
+
   const cities = React.useMemo(() => getCities(places), [places]);
 
+  // Clear stale saved-places/home data as soon as the signed-in user changes,
+  // during render rather than an effect, so there's no stale-data flash.
+  const userId = user?.id ?? null;
+  if (userId !== lastUserId) {
+    setLastUserId(userId);
+    setSavedPlaces([]);
+    setHome(null);
+  }
+
   React.useEffect(() => {
     hydrated.current = true;
   }, []);
 
+  React.useEffect(() => {
+    const supabase = createClient();
+    supabase.auth.getUser().then(({ data }) => setUser(data.user));
+    const {
+      data: { subscription },
+    } = supabase.auth.onAuthStateChange((_, session) => setUser(session?.user ?? null));
+    return () => subscription.unsubscribe();
+  }, []);
+
+  React.useEffect(() => {
+    if (!user) return;
+    fetchUserPlaces().then(setSavedPlaces).catch(() => setSavedPlaces([]));
+    fetchUserHome().then(setHome).catch(() => setHome(null));
+  }, [user]);
+
   // Debounce the search query so filtering doesn't run on every keystroke.
   // Clearing the box applies immediately (0 ms); typing waits 250 ms.
   React.useEffect(() => {
@@ -104,6 +149,19 @@ export function PlacesMap({ places }: PlacesMapProps) {
     [places, filters.city],
   );
 
+  // Private layer: saved places always render on top of the public set,
+  // independent of the public search/type/city filters above.
+  const privatePlaces = React.useMemo(
+    () => savedPlaces.map(userPlaceToPlace),
+    [savedPlaces],
+  );
+  const mapPlaces = React.useMemo(
+    () => [...visible, ...privatePlaces],
+    [visible, privatePlaces],
+  );
+
+  const myCities = React.useMemo(() => getCities(privatePlaces), [privatePlaces]);
+
   const byDistance = React.useMemo(() => {
     if (!userLocation) return [];
     return placesByDistance(visible, userLocation);
@@ -151,6 +209,40 @@ export function PlacesMap({ places }: PlacesMapProps) {
     setClosePopupTrigger((t) => t + 1);
   }
 
+  function openAddPlace() {
+    setEditingPlace(null);
+    setPlaceDialogOpen(true);
+  }
+
+  function openEditPlace(place: UserPlaceRow) {
+    setEditingPlace(place);
+    setPlaceDialogOpen(true);
+  }
+
+  function handlePlaceSaved(saved: UserPlaceRow) {
+    setSavedPlaces((prev) =>
+      prev.some((p) => p.id === saved.id)
+        ? prev.map((p) => (p.id === saved.id ? saved : p))
+        : [...prev, saved],
+    );
+  }
+
+  function handlePlaceDeleted(id: string) {
+    setSavedPlaces((prev) => prev.filter((p) => p.id !== id));
+  }
+
+  function handleHomeSaved(saved: UserHome) {
+    setHome(saved);
+  }
+
+  function handleHomeDeleted() {
+    setHome(null);
+  }
+
+  function locateHome() {
+    if (home) onLocated({ lat: home.lat, lng: home.lng });
+  }
+
   function openSheet() {
     setSnap(SHEET_SNAP_POINTS[0]);
     setSheetOpen(true);
@@ -174,6 +266,21 @@ export function PlacesMap({ places }: PlacesMapProps) {
     onSelectPlace: selectPlace,
     onLocated,
     onShare: share,
+    myPlaces: user
+      ? {
+          savedPlaces,
+          cities: myCities,
+          query: myQuery,
+          onQueryChange: setMyQuery,
+          city: myCity,
+          onCityChange: setMyCity,
+          home,
+          onAddPlace: openAddPlace,
+          onEditPlace: openEditPlace,
+          onLocateHome: locateHome,
+          onEditHome: () => setHomeDialogOpen(true),
+        }
+      : null,
   };
 
   return (
@@ -187,7 +294,7 @@ export function PlacesMap({ places }: PlacesMapProps) {
       <div className="relative min-w-0 flex-1">
         <MapErrorBoundary>
           <MapView
-            places={visible}
+            places={mapPlaces}
             userLocation={userLocation}
             focusId={focusId}
             focusBounds={focusBounds}
@@ -274,6 +381,25 @@ export function PlacesMap({ places }: PlacesMapProps) {
           />
         </MapSheet>
       </div>
+
+      {user && (
+        <>
+          <UserPlaceDialog
+            open={placeDialogOpen}
+            onOpenChange={setPlaceDialogOpen}
+            place={editingPlace}
+            onSaved={handlePlaceSaved}
+            onDeleted={handlePlaceDeleted}
+          />
+          <UserHomeDialog
+            open={homeDialogOpen}
+            onOpenChange={setHomeDialogOpen}
+            home={home}
+            onSaved={handleHomeSaved}
+            onDeleted={handleHomeDeleted}
+          />
+        </>
+      )}
     </div>
   );
 }
diff --git a/src/components/map/user-home-dialog.tsx b/src/components/map/user-home-dialog.tsx
new file mode 100644
index 0000000..0614f82
--- /dev/null
+++ b/src/components/map/user-home-dialog.tsx
@@ -0,0 +1,181 @@
+"use client";
+
+import * as React from "react";
+import { LocateFixed } from "lucide-react";
+
+import { Button } from "@/components/ui/button";
+import {
+  Dialog,
+  DialogContent,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+} from "@/components/ui/dialog";
+import { Input } from "@/components/ui/input";
+import { Label } from "@/components/ui/label";
+import { deleteUserHome, upsertUserHome, type UserHome } from "@/lib/user-places";
+
+interface UserHomeDialogProps {
+  open: boolean;
+  onOpenChange: (open: boolean) => void;
+  home: UserHome | null;
+  onSaved: (home: UserHome) => void;
+  onDeleted: () => void;
+}
+
+export function UserHomeDialog({
+  open,
+  onOpenChange,
+  home,
+  onSaved,
+  onDeleted,
+}: UserHomeDialogProps) {
+  const [label, setLabel] = React.useState("");
+  const [lat, setLat] = React.useState("");
+  const [lng, setLng] = React.useState("");
+  const [locating, setLocating] = React.useState(false);
+  const [saving, setSaving] = React.useState(false);
+  const [error, setError] = React.useState<string | null>(null);
+  const [wasOpen, setWasOpen] = React.useState(false);
+
+  // Re-fill the form during render (not an effect) each time the dialog
+  // opens, so there's no stale-data flash.
+  if (open !== wasOpen) {
+    setWasOpen(open);
+    if (open) {
+      setLabel(home?.label ?? "Home");
+      setLat(home ? String(home.lat) : "");
+      setLng(home ? String(home.lng) : "");
+      setError(null);
+    }
+  }
+
+  function useCurrentLocation() {
+    if (!navigator.geolocation) {
+      setError("Geolocation is not available in this browser.");
+      return;
+    }
+    setLocating(true);
+    navigator.geolocation.getCurrentPosition(
+      (pos) => {
+        setLocating(false);
+        setLat(String(pos.coords.latitude));
+        setLng(String(pos.coords.longitude));
+      },
+      () => {
+        setLocating(false);
+        setError("Could not read your location.");
+      },
+      { enableHighAccuracy: true, timeout: 10000 },
+    );
+  }
+
+  const latNum = Number(lat);
+  const lngNum = Number(lng);
+  const isValid = label.trim() && lat !== "" && lng !== "" && !Number.isNaN(latNum) && !Number.isNaN(lngNum);
+
+  async function handleSave() {
+    if (!isValid) return;
+    setSaving(true);
+    setError(null);
+    try {
+      const saved = await upsertUserHome({ label: label.trim(), lat: latNum, lng: lngNum });
+      onSaved(saved);
+      onOpenChange(false);
+    } catch {
+      setError("Couldn't save your home location. Try again.");
+    } finally {
+      setSaving(false);
+    }
+  }
+
+  async function handleDelete() {
+    setSaving(true);
+    setError(null);
+    try {
+      await deleteUserHome();
+      onDeleted();
+      onOpenChange(false);
+    } catch {
+      setError("Couldn't remove your home location. Try again.");
+    } finally {
+      setSaving(false);
+    }
+  }
+
+  return (
+    <Dialog open={open} onOpenChange={onOpenChange}>
+      <DialogContent>
+        <DialogHeader>
+          <DialogTitle>{home ? "Edit home location" : "Set home location"}</DialogTitle>
+        </DialogHeader>
+
+        <div className="grid gap-3">
+          <div className="grid gap-1.5">
+            <Label htmlFor="user-home-label">Label</Label>
+            <Input
+              id="user-home-label"
+              value={label}
+              onChange={(e) => setLabel(e.target.value)}
+              placeholder="Home"
+              maxLength={60}
+            />
+          </div>
+
+          <div className="grid grid-cols-2 gap-3">
+            <div className="grid gap-1.5">
+              <Label htmlFor="user-home-lat">Latitude</Label>
+              <Input
+                id="user-home-lat"
+                type="number"
+                step="any"
+                value={lat}
+                onChange={(e) => setLat(e.target.value)}
+              />
+            </div>
+            <div className="grid gap-1.5">
+              <Label htmlFor="user-home-lng">Longitude</Label>
+              <Input
+                id="user-home-lng"
+                type="number"
+                step="any"
+                value={lng}
+                onChange={(e) => setLng(e.target.value)}
+              />
+            </div>
+          </div>
+
+          <Button
+            type="button"
+            variant="outline"
+            size="sm"
+            onClick={useCurrentLocation}
+            disabled={locating}
+            className="justify-self-start gap-1.5"
+          >
+            <LocateFixed className="size-3.5" />
+            {locating ? "Locating..." : "Use my current location"}
+          </Button>
+
+          {error && <p className="text-sm text-destructive">{error}</p>}
+        </div>
+
+        <DialogFooter>
+          {home && (
+            <Button
+              variant="destructive"
+              onClick={handleDelete}
+              disabled={saving}
+              className="sm:mr-auto"
+            >
+              Remove
+            </Button>
+          )}
+          <Button onClick={handleSave} disabled={saving || !isValid}>
+            {home ? "Save changes" : "Set home"}
+          </Button>
+        </DialogFooter>
+      </DialogContent>
+    </Dialog>
+  );
+}
diff --git a/src/components/map/user-place-dialog.tsx b/src/components/map/user-place-dialog.tsx
new file mode 100644
index 0000000..ac5809d
--- /dev/null
+++ b/src/components/map/user-place-dialog.tsx
@@ -0,0 +1,271 @@
+"use client";
+
+import * as React from "react";
+import { LocateFixed } from "lucide-react";
+
+import { Button } from "@/components/ui/button";
+import {
+  Dialog,
+  DialogContent,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+} from "@/components/ui/dialog";
+import { Input } from "@/components/ui/input";
+import { Label } from "@/components/ui/label";
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select";
+import { PLACE_TYPE_LABELS, PLACE_TYPES, type PlaceType } from "@/lib/types";
+import {
+  createUserPlace,
+  deleteUserPlace,
+  updateUserPlace,
+  type UserPlaceRow,
+} from "@/lib/user-places";
+
+function normalizeCity(input: string): string {
+  return input.trim().toLowerCase().replace(/\s+/g, "_");
+}
+
+interface UserPlaceDialogProps {
+  open: boolean;
+  onOpenChange: (open: boolean) => void;
+  place: UserPlaceRow | null;
+  onSaved: (place: UserPlaceRow) => void;
+  onDeleted: (id: string) => void;
+}
+
+export function UserPlaceDialog({
+  open,
+  onOpenChange,
+  place,
+  onSaved,
+  onDeleted,
+}: UserPlaceDialogProps) {
+  const [name, setName] = React.useState("");
+  const [type, setType] = React.useState<PlaceType>("library");
+  const [city, setCity] = React.useState("");
+  const [lat, setLat] = React.useState("");
+  const [lng, setLng] = React.useState("");
+  const [address, setAddress] = React.useState("");
+  const [note, setNote] = React.useState("");
+  const [locating, setLocating] = React.useState(false);
+  const [saving, setSaving] = React.useState(false);
+  const [error, setError] = React.useState<string | null>(null);
+  const [lastResetKey, setLastResetKey] = React.useState<string | null>(null);
+
+  // Re-fill the form during render (not an effect) each time the dialog
+  // opens, or opens for a different place, so there's no stale-data flash.
+  const resetKey = open ? place?.id ?? "new" : null;
+  if (resetKey !== lastResetKey) {
+    setLastResetKey(resetKey);
+    if (open) {
+      setName(place?.name ?? "");
+      setType(place?.type ?? "library");
+      setCity(place ? place.city.replace(/_/g, " ") : "");
+      setLat(place ? String(place.lat) : "");
+      setLng(place ? String(place.lng) : "");
+      setAddress(place?.address ?? "");
+      setNote(place?.note ?? "");
+      setError(null);
+    }
+  }
+
+  function useCurrentLocation() {
+    if (!navigator.geolocation) {
+      setError("Geolocation is not available in this browser.");
+      return;
+    }
+    setLocating(true);
+    navigator.geolocation.getCurrentPosition(
+      (pos) => {
+        setLocating(false);
+        setLat(String(pos.coords.latitude));
+        setLng(String(pos.coords.longitude));
+      },
+      () => {
+        setLocating(false);
+        setError("Could not read your location.");
+      },
+      { enableHighAccuracy: true, timeout: 10000 },
+    );
+  }
+
+  const latNum = Number(lat);
+  const lngNum = Number(lng);
+  const isValid =
+    name.trim() && city.trim() && lat !== "" && lng !== "" && !Number.isNaN(latNum) && !Number.isNaN(lngNum);
+
+  async function handleSave() {
+    if (!isValid) return;
+    setSaving(true);
+    setError(null);
+    try {
+      const input = {
+        name: name.trim(),
+        type,
+        city: normalizeCity(city),
+        lat: latNum,
+        lng: lngNum,
+        address: address.trim() || null,
+        note: note.trim() || null,
+      };
+      const saved = place
+        ? await updateUserPlace(place.id, input)
+        : await createUserPlace(input);
+      onSaved(saved);
+      onOpenChange(false);
+    } catch {
+      setError("Couldn't save this place. Try again.");
+    } finally {
+      setSaving(false);
+    }
+  }
+
+  async function handleDelete() {
+    if (!place) return;
+    setSaving(true);
+    setError(null);
+    try {
+      await deleteUserPlace(place.id);
+      onDeleted(place.id);
+      onOpenChange(false);
+    } catch {
+      setError("Couldn't delete this place. Try again.");
+    } finally {
+      setSaving(false);
+    }
+  }
+
+  return (
+    <Dialog open={open} onOpenChange={onOpenChange}>
+      <DialogContent>
+        <DialogHeader>
+          <DialogTitle>{place ? "Edit place" : "Add place"}</DialogTitle>
+        </DialogHeader>
+
+        <div className="grid gap-3">
+          <div className="grid gap-1.5">
+            <Label htmlFor="user-place-name">Name</Label>
+            <Input
+              id="user-place-name"
+              value={name}
+              onChange={(e) => setName(e.target.value)}
+              placeholder="Friend's flat, coaching centre..."
+              maxLength={120}
+            />
+          </div>
+
+          <div className="grid gap-1.5">
+            <Label htmlFor="user-place-type">Type</Label>
+            <Select value={type} onValueChange={(value) => setType(value as PlaceType)}>
+              <SelectTrigger id="user-place-type" className="w-full">
+                <SelectValue />
+              </SelectTrigger>
+              <SelectContent>
+                {PLACE_TYPES.map((t) => (
+                  <SelectItem key={t} value={t}>
+                    {PLACE_TYPE_LABELS[t]}
+                  </SelectItem>
+                ))}
+              </SelectContent>
+            </Select>
+          </div>
+
+          <div className="grid gap-1.5">
+            <Label htmlFor="user-place-city">City</Label>
+            <Input
+              id="user-place-city"
+              value={city}
+              onChange={(e) => setCity(e.target.value)}
+              placeholder="Mumbai"
+              maxLength={60}
+            />
+          </div>
+
+          <div className="grid grid-cols-2 gap-3">
+            <div className="grid gap-1.5">
+              <Label htmlFor="user-place-lat">Latitude</Label>
+              <Input
+                id="user-place-lat"
+                type="number"
+                step="any"
+                value={lat}
+                onChange={(e) => setLat(e.target.value)}
+              />
+            </div>
+            <div className="grid gap-1.5">
+              <Label htmlFor="user-place-lng">Longitude</Label>
+              <Input
+                id="user-place-lng"
+                type="number"
+                step="any"
+                value={lng}
+                onChange={(e) => setLng(e.target.value)}
+              />
+            </div>
+          </div>
+
+          <Button
+            type="button"
+            variant="outline"
+            size="sm"
+            onClick={useCurrentLocation}
+            disabled={locating}
+            className="justify-self-start gap-1.5"
+          >
+            <LocateFixed className="size-3.5" />
+            {locating ? "Locating..." : "Use my current location"}
+          </Button>
+
+          <div className="grid gap-1.5">
+            <Label htmlFor="user-place-address">Address</Label>
+            <Input
+              id="user-place-address"
+              value={address}
+              onChange={(e) => setAddress(e.target.value)}
+              placeholder="Optional"
+              maxLength={200}
+            />
+          </div>
+
+          <div className="grid gap-1.5">
+            <Label htmlFor="user-place-note">Note</Label>
+            <textarea
+              id="user-place-note"
+              value={note}
+              onChange={(e) => setNote(e.target.value)}
+              rows={3}
+              maxLength={500}
+              className="w-full rounded-lg border border-input bg-transparent px-2.5 py-1.5 text-base outline-none placeholder:text-muted-foreground focus-visible:border-ring focus-visible:ring-3 focus-visible:ring-ring/50 md:text-sm dark:bg-input/30"
+              placeholder="Optional"
+            />
+          </div>
+
+          {error && <p className="text-sm text-destructive">{error}</p>}
+        </div>
+
+        <DialogFooter>
+          {place && (
+            <Button
+              variant="destructive"
+              onClick={handleDelete}
+              disabled={saving}
+              className="sm:mr-auto"
+            >
+              Delete
+            </Button>
+          )}
+          <Button onClick={handleSave} disabled={saving || !isValid}>
+            {place ? "Save changes" : "Add place"}
+          </Button>
+        </DialogFooter>
+      </DialogContent>
+    </Dialog>
+  );
+}
diff --git a/src/components/ui/particles.tsx b/src/components/ui/particles.tsx
index 73e9b24..27c0f75 100644
--- a/src/components/ui/particles.tsx
+++ b/src/components/ui/particles.tsx
@@ -2,6 +2,7 @@
 
 import React, {
   useEffect,
+  useLayoutEffect,
   useRef,
   useState,
   type ComponentPropsWithoutRef,
@@ -304,9 +305,15 @@ export const Particles: React.FC<ParticlesProps> = ({
     rafID.current = window.requestAnimationFrame(animateRef.current)
   }
 
-  initCanvasRef.current = initCanvas
-  onMouseMoveRef.current = onMouseMove
-  animateRef.current = animate
+  // Keep the refs pointed at the latest closures so the effects below (and
+  // the rAF loop) always call the current versions without re-subscribing.
+  // Layout effects commit before this component's passive effects, so the
+  // refs are up to date by the time those effects run.
+  useLayoutEffect(() => {
+    initCanvasRef.current = initCanvas
+    onMouseMoveRef.current = onMouseMove
+    animateRef.current = animate
+  })
 
   return (
     <div
diff --git a/src/lib/constants.ts b/src/lib/constants.ts
deleted file mode 100644
index 1391b1e..0000000
--- a/src/lib/constants.ts
+++ /dev/null
@@ -1,16 +0,0 @@
-/** Approximate centre of the Mumbai Metropolitan Region, used as the initial map position. */
-export const MAP_CENTER: [number, number] = [19.08, 72.95];
-
-/** Default zoom level for the MMR map view. */
-export const DEFAULT_ZOOM = 11;
-
-/**
- * Valid coordinate bounds for the Mumbai Metropolitan Region.
- * Used for data validation and will anchor the config-driven region work.
- */
-export const REGION_BOUNDS = {
-  minLat: 18,
-  maxLat: 20,
-  minLng: 72,
-  maxLng: 73,
-} as const;
diff --git a/src/lib/geo.test.ts b/src/lib/geo.test.ts
new file mode 100644
index 0000000..9d5dc4d
--- /dev/null
+++ b/src/lib/geo.test.ts
@@ -0,0 +1,72 @@
+import { describe, expect, it } from "vitest";
+
+import { formatDistance, haversineKm, placesByDistance } from "@/lib/geo";
+import type { Place } from "@/lib/types";
+
+function place(id: string, lat: number, lng: number): Place {
+  return {
+    id,
+    name: id,
+    type: "library",
+    city: "mumbai",
+    lat,
+    lng,
+    gmaps_link: `https://maps.google.com/?q=${lat},${lng}`,
+    added_by: "test",
+  };
+}
+
+describe("haversineKm", () => {
+  it("returns 0 for identical points", () => {
+    expect(haversineKm({ lat: 19.076, lng: 72.8777 }, { lat: 19.076, lng: 72.8777 })).toBe(0);
+  });
+
+  it("matches the known great-circle distance between Mumbai and Thane", () => {
+    // Mumbai (CST) to Thane station, ~ 31 km apart.
+    const km = haversineKm({ lat: 18.9401, lng: 72.8352 }, { lat: 19.1863, lng: 72.9781 });
+    expect(km).toBeGreaterThan(28);
+    expect(km).toBeLessThan(34);
+  });
+
+  it("is symmetric", () => {
+    const a = { lat: 19.076, lng: 72.8777 };
+    const b = { lat: 19.2183, lng: 72.9781 };
+    expect(haversineKm(a, b)).toBeCloseTo(haversineKm(b, a), 10);
+  });
+});
+
+describe("placesByDistance", () => {
+  const origin = { lat: 19.076, lng: 72.8777 };
+  const near = place("near", 19.077, 72.878);
+  const mid = place("mid", 19.12, 72.9);
+  const far = place("far", 19.5, 73.5);
+
+  it("sorts places nearest first", () => {
+    const sorted = placesByDistance([far, near, mid], origin);
+    expect(sorted.map((p) => p.id)).toEqual(["near", "mid", "far"]);
+  });
+
+  it("tags each place with its distance from the origin", () => {
+    const [sortedNear] = placesByDistance([near], origin);
+    expect(sortedNear.distanceKm).toBeGreaterThanOrEqual(0);
+    expect(sortedNear.distanceKm).toBeLessThan(1);
+  });
+
+  it("returns an empty array for an empty input", () => {
+    expect(placesByDistance([], origin)).toEqual([]);
+  });
+});
+
+describe("formatDistance", () => {
+  it("formats sub-kilometre distances in metres", () => {
+    expect(formatDistance(0.45)).toBe("450 m");
+  });
+
+  it("formats distances of a kilometre or more with one decimal", () => {
+    expect(formatDistance(3.24)).toBe("3.2 km");
+  });
+
+  it("rounds metres to the nearest whole number", () => {
+    expect(formatDistance(0.1234)).toBe("123 m");
+  });
+});
diff --git a/src/lib/places.test.ts b/src/lib/places.test.ts
new file mode 100644
index 0000000..112f39f
--- /dev/null
+++ b/src/lib/places.test.ts
@@ -0,0 +1,110 @@
+import { describe, expect, it } from "vitest";
+
+import { cityBounds, filterPlaces, getCities } from "@/lib/places";
+import type { Place } from "@/lib/types";
+
+function place(overrides: Partial<Place> & { id: string }): Place {
+  return {
+    name: overrides.id,
+    type: "library",
+    city: "mumbai",
+    lat: 19,
+    lng: 72.9,
+    gmaps_link: "https://maps.google.com/?q=19,72.9",
+    added_by: "test",
+    ...overrides,
+  };
+}
+
+const FIXTURE: Place[] = [
+  place({ id: "lib-1", name: "Central Library", type: "library", city: "mumbai", lat: 18.94, lng: 72.83 }),
+  place({ id: "lib-2", name: "Thane Public Library", type: "library", city: "thane", lat: 19.19, lng: 72.97 }),
+  place({ id: "book-1", name: "Old Book Depot", type: "book_shop", city: "mumbai", lat: 18.95, lng: 72.84 }),
+  place({ id: "cafe-1", name: "Cyber Cafe", type: "internet_cafe", city: "navi_mumbai", lat: 19.03, lng: 73.02 }),
+];
+
+describe("filterPlaces", () => {
+  it("returns every place when no filters are given", () => {
+    expect(filterPlaces(FIXTURE, {})).toHaveLength(FIXTURE.length);
+  });
+
+  it("filters by a single type", () => {
+    const result = filterPlaces(FIXTURE, { types: ["library"] });
+    expect(result.map((p) => p.id)).toEqual(["lib-1", "lib-2"]);
+  });
+
+  it("filters by multiple types", () => {
+    const result = filterPlaces(FIXTURE, { types: ["library", "book_shop"] });
+    expect(result.map((p) => p.id)).toEqual(["lib-1", "lib-2", "book-1"]);
+  });
+
+  it("filters by city", () => {
+    const result = filterPlaces(FIXTURE, { city: "thane" });
+    expect(result.map((p) => p.id)).toEqual(["lib-2"]);
+  });
+
+  it("matches a query against the place name, case-insensitively", () => {
+    const result = filterPlaces(FIXTURE, { query: "book depot" });
+    expect(result.map((p) => p.id)).toEqual(["book-1"]);
+  });
+
+  it("matches a query against the city, ignoring underscores", () => {
+    const result = filterPlaces(FIXTURE, { query: "navi mumbai" });
+    expect(result.map((p) => p.id)).toEqual(["cafe-1"]);
+  });
+
+  it("combines type, city, and query filters with AND semantics", () => {
+    const result = filterPlaces(FIXTURE, {
+      types: ["library"],
+      city: "mumbai",
+      query: "central",
+    });
+    expect(result.map((p) => p.id)).toEqual(["lib-1"]);
+  });
+
+  it("returns an empty array when nothing matches", () => {
+    expect(filterPlaces(FIXTURE, { query: "does not exist" })).toEqual([]);
+  });
+});
+
+describe("getCities", () => {
+  it("orders cities by the given preferred order, alphabetically after that for the rest", () => {
+    expect(getCities(FIXTURE, ["thane", "mumbai"])).toEqual(["thane", "mumbai", "navi_mumbai"]);
+  });
+
+  it("falls back to alphabetical order when no preferred order is given", () => {
+    expect(getCities(FIXTURE, [])).toEqual(["mumbai", "navi_mumbai", "thane"]);
+  });
+
+  it("defaults to studymap.config.ts's cities registry order", () => {
+    expect(getCities(FIXTURE)).toEqual(["mumbai", "thane", "navi_mumbai"]);
+  });
+
+  it("returns an empty array for no places", () => {
+    expect(getCities([])).toEqual([]);
+  });
+});
+
+describe("cityBounds", () => {
+  it("returns null for a city with no places", () => {
+    expect(cityBounds(FIXTURE, "pune")).toBeNull();
+  });
+
+  it("returns a single-point box for a city with one place", () => {
+    expect(cityBounds(FIXTURE, "thane")).toEqual({
+      minLat: 19.19,
+      maxLat: 19.19,
+      minLng: 72.97,
+      maxLng: 72.97,
+    });
+  });
+
+  it("returns the bounding box spanning every place in the city", () => {
+    expect(cityBounds(FIXTURE, "mumbai")).toEqual({
+      minLat: 18.94,
+      maxLat: 18.95,
+      minLng: 72.83,
+      maxLng: 72.84,
+    });
+  });
+});
diff --git a/src/lib/places.ts b/src/lib/places.ts
index f7b5b13..3bb739f 100644
--- a/src/lib/places.ts
+++ b/src/lib/places.ts
@@ -1,28 +1,9 @@
 import type { City, Place, PlaceType } from "@/lib/types";
+import studyMapConfig from "../../studymap.config";
 
-import airport from "../../data/places/airport.json";
-import bookShop from "../../data/places/book_shop.json";
-import stationery from "../../data/places/stationery.json";
-import examCentre from "../../data/places/exam_centre.json";
-import internetCafe from "../../data/places/internet_cafe.json";
-import library from "../../data/places/library.json";
-import impLocations from "../../data/places/imp_locations.json";
-import trainStation from "../../data/places/train_station.json";
-
-const ALL: Place[] = [
-  ...(airport as Place[]),
-  ...(bookShop as Place[]),
-  ...(stationery as Place[]),
-  ...(examCentre as Place[]),
-  ...(internetCafe as Place[]),
-  ...(library as Place[]),
-  ...(impLocations as Place[]),
-  ...(trainStation as Place[]),
-];
-
-/** All public places, merged from the per-type JSON files. */
+/** All public places, sourced from `studymap.config.ts`. */
 export function getPlaces(): Place[] {
-  return ALL;
+  return studyMapConfig.places;
 }
 
 export function filterPlaces(
@@ -47,9 +28,21 @@ export function filterPlaces(
   });
 }
 
-/** Every distinct city slug present in the dataset, sorted alphabetically. */
-export function getCities(places: Place[]): City[] {
-  return Array.from(new Set(places.map((place) => place.city))).sort();
+/**
+ * Every distinct city slug present in `places`, ordered by `preferredOrder`
+ * (defaulting to `studymap.config.ts`'s `cities` registry) with any city not
+ * in that list appended alphabetically after.
+ */
+export function getCities(
+  places: Place[],
+  preferredOrder: readonly City[] = studyMapConfig.cities,
+): City[] {
+  const present = new Set(places.map((place) => place.city));
+  const ordered = preferredOrder.filter((city) => present.has(city));
+  const rest = Array.from(present)
+    .filter((city) => !preferredOrder.includes(city))
+    .sort();
+  return [...ordered, ...rest];
 }
 
 export interface Bounds {
diff --git a/src/lib/share.test.ts b/src/lib/share.test.ts
new file mode 100644
index 0000000..8a61dfd
--- /dev/null
+++ b/src/lib/share.test.ts
@@ -0,0 +1,48 @@
+import { describe, expect, it } from "vitest";
+
+import { buildShareUrl, mapStateToSearch, parseMapState, type MapShareState } from "@/lib/share";
+
+describe("mapStateToSearch / parseMapState round-trip", () => {
+  it("round-trips a fully populated state", () => {
+    const state: MapShareState = {
+      types: ["library", "book_shop"],
+      city: "mumbai",
+      placeId: "mum-library-01",
+    };
+    const search = mapStateToSearch(state);
+    expect(parseMapState(search)).toEqual(state);
+  });
+
+  it("round-trips an empty state as an empty query string", () => {
+    const state: MapShareState = { types: [], city: null, placeId: null };
+    expect(mapStateToSearch(state)).toBe("");
+    expect(parseMapState("")).toEqual(state);
+  });
+
+  it("drops unknown place types when parsing", () => {
+    const parsed = parseMapState("?types=library,not_a_real_type");
+    expect(parsed.types).toEqual(["library"]);
+  });
+
+  it("treats a blank city as unset", () => {
+    expect(parseMapState("?city=").city).toBeNull();
+  });
+
+  it("reads a placeId with no other state set", () => {
+    const search = mapStateToSearch({ types: [], city: null, placeId: "mum-library-01" });
+    expect(search).toBe("?place=mum-library-01");
+    expect(parseMapState(search).placeId).toBe("mum-library-01");
+  });
+});
+
+describe("buildShareUrl", () => {
+  it("builds an absolute URL from the current origin and pathname", () => {
+    const url = buildShareUrl({ types: ["library"], city: "mumbai", placeId: null });
+    expect(url).toBe(`${window.location.origin}${window.location.pathname}?types=library&city=mumbai`);
+  });
+
+  it("returns just the origin and pathname when no state is set", () => {
+    const url = buildShareUrl({ types: [], city: null, placeId: null });
+    expect(url).toBe(`${window.location.origin}${window.location.pathname}`);
+  });
+});
diff --git a/src/lib/user-events.ts b/src/lib/user-events.ts
new file mode 100644
index 0000000..b7df515
--- /dev/null
+++ b/src/lib/user-events.ts
@@ -0,0 +1,80 @@
+import { createClient } from "@/lib/supabase/client";
+
+export type PersonalEventCategory =
+  | "deadline"
+  | "exam"
+  | "assignment"
+  | "reminder"
+  | "other";
+
+export const PERSONAL_EVENT_CATEGORIES: {
+  value: PersonalEventCategory;
+  label: string;
+}[] = [
+  { value: "deadline", label: "Deadline" },
+  { value: "exam", label: "Exam" },
+  { value: "assignment", label: "Assignment" },
+  { value: "reminder", label: "Reminder" },
+  { value: "other", label: "Other" },
+];
+
+export interface PersonalEvent {
+  id: string;
+  user_id: string;
+  title: string;
+  date: string;
+  category: PersonalEventCategory;
+  notes: string | null;
+  created_at: string;
+}
+
+export interface PersonalEventInput {
+  title: string;
+  date: string;
+  category: PersonalEventCategory;
+  notes: string | null;
+}
+
+export async function fetchUserEvents(): Promise<PersonalEvent[]> {
+  const supabase = createClient();
+  const { data, error } = await supabase
+    .from("user_events")
+    .select("*")
+    .order("date", { ascending: true });
+  if (error) throw error;
+  return data ?? [];
+}
+
+export async function createUserEvent(
+  input: PersonalEventInput,
+): Promise<PersonalEvent> {
+  const supabase = createClient();
+  const { data, error } = await supabase
+    .from("user_events")
+    .insert(input)
+    .select("*")
+    .single();
+  if (error) throw error;
+  return data;
+}
+
+export async function updateUserEvent(
+  id: string,
+  input: PersonalEventInput,
+): Promise<PersonalEvent> {
+  const supabase = createClient();
+  const { data, error } = await supabase
+    .from("user_events")
+    .update(input)
+    .eq("id", id)
+    .select("*")
+    .single();
+  if (error) throw error;
+  return data;
+}
+
+export async function deleteUserEvent(id: string): Promise<void> {
+  const supabase = createClient();
+  const { error } = await supabase.from("user_events").delete().eq("id", id);
+  if (error) throw error;
+}
diff --git a/src/lib/user-places.ts b/src/lib/user-places.ts
new file mode 100644
index 0000000..e7c14a3
--- /dev/null
+++ b/src/lib/user-places.ts
@@ -0,0 +1,130 @@
+import { createClient } from "@/lib/supabase/client";
+import type { City, Place, PlaceType } from "@/lib/types";
+
+export interface UserPlaceRow {
+  id: string;
+  user_id: string;
+  name: string;
+  type: PlaceType;
+  city: City;
+  lat: number;
+  lng: number;
+  address: string | null;
+  note: string | null;
+  created_at: string;
+}
+
+export interface UserPlaceInput {
+  name: string;
+  type: PlaceType;
+  city: City;
+  lat: number;
+  lng: number;
+  address: string | null;
+  note: string | null;
+}
+
+export interface UserHome {
+  user_id: string;
+  lat: number;
+  lng: number;
+  label: string;
+  updated_at: string;
+}
+
+export interface UserHomeInput {
+  lat: number;
+  lng: number;
+  label: string;
+}
+
+/** Renders a saved place as a normal map pin, indistinguishable in shape from public places. */
+export function userPlaceToPlace(row: UserPlaceRow): Place {
+  return {
+    id: `own-${row.id}`,
+    name: row.name,
+    type: row.type,
+    city: row.city,
+    lat: row.lat,
+    lng: row.lng,
+    address: row.address ?? undefined,
+    gmaps_link: `https://maps.google.com/?q=${row.lat},${row.lng}`,
+    added_by: "you",
+  };
+}
+
+async function currentUserId(): Promise<string> {
+  const supabase = createClient();
+  const { data } = await supabase.auth.getUser();
+  if (!data.user) throw new Error("Not signed in");
+  return data.user.id;
+}
+
+export async function fetchUserPlaces(): Promise<UserPlaceRow[]> {
+  const supabase = createClient();
+  const { data, error } = await supabase
+    .from("user_places")
+    .select("*")
+    .order("created_at", { ascending: true });
+  if (error) throw error;
+  return data ?? [];
+}
+
+export async function createUserPlace(input: UserPlaceInput): Promise<UserPlaceRow> {
+  const supabase = createClient();
+  const user_id = await currentUserId();
+  const { data, error } = await supabase
+    .from("user_places")
+    .insert({ ...input, user_id })
+    .select("*")
+    .single();
+  if (error) throw error;
+  return data;
+}
+
+export async function updateUserPlace(
+  id: string,
+  input: UserPlaceInput,
+): Promise<UserPlaceRow> {
+  const supabase = createClient();
+  const { data, error } = await supabase
+    .from("user_places")
+    .update(input)
+    .eq("id", id)
+    .select("*")
+    .single();
+  if (error) throw error;
+  return data;
+}
+
+export async function deleteUserPlace(id: string): Promise<void> {
+  const supabase = createClient();
+  const { error } = await supabase.from("user_places").delete().eq("id", id);
+  if (error) throw error;
+}
+
+export async function fetchUserHome(): Promise<UserHome | null> {
+  const supabase = createClient();
+  const { data, error } = await supabase.from("user_home").select("*").maybeSingle();
+  if (error) throw error;
+  return data;
+}
+
+export async function upsertUserHome(input: UserHomeInput): Promise<UserHome> {
+  const supabase = createClient();
+  const user_id = await currentUserId();
+  const { data, error } = await supabase
+    .from("user_home")
+    .upsert({ ...input, user_id })
+    .select("*")
+    .single();
+  if (error) throw error;
+  return data;
+}
+
+export async function deleteUserHome(): Promise<void> {
+  const supabase = createClient();
+  const user_id = await currentUserId();
+  const { error } = await supabase.from("user_home").delete().eq("user_id", user_id);
+  if (error) throw error;
+}
diff --git a/studymap.config.example.ts b/studymap.config.example.ts
new file mode 100644
index 0000000..809d666
--- /dev/null
+++ b/studymap.config.example.ts
@@ -0,0 +1,35 @@
+/**
+ * Example StudyMap config for a fresh fork.
+ *
+ * To run StudyMap for your own city with the placeholder sample dataset:
+ *   1. cp studymap.config.example.ts studymap.config.ts
+ *   2. Replace the imports below and every entry in data/places.sample/
+ *      with your own data, or start adding real files under data/places/
+ *      per CONTRIBUTING.md and import those instead.
+ *   3. Set center / defaultZoom / bounds / cities to your region.
+ */
+import type { Bounds } from "@/lib/places";
+import type { City, Place } from "@/lib/types";
+import type { StudyMapConfig } from "./studymap.config";
+
+import library from "./data/places.sample/library.json";
+import bookShop from "./data/places.sample/book_shop.json";
+
+const bounds: Bounds = {
+  minLat: -1,
+  maxLat: 1,
+  minLng: -1,
+  maxLng: 1,
+};
+
+const cities: City[] = ["example_city"];
+
+const studyMapConfig: StudyMapConfig = {
+  center: [0, 0],
+  defaultZoom: 12,
+  bounds,
+  cities,
+  places: [...(library as Place[]), ...(bookShop as Place[])],
+};
+
+export default studyMapConfig;
diff --git a/studymap.config.ts b/studymap.config.ts
new file mode 100644
index 0000000..1be9372
--- /dev/null
+++ b/studymap.config.ts
@@ -0,0 +1,59 @@
+/**
+ * StudyMap region + dataset config.
+ *
+ * Forking StudyMap for a different city or dataset? This is the one file to
+ * change. Swap the imports below for your own `data/places/*.json`, and
+ * adjust `center` / `defaultZoom` / `bounds` / `cities` to your region. No
+ * other file needs to change; `src/lib/places.ts` reads from here.
+ */
+import type { Bounds } from "@/lib/places";
+import type { City, Place } from "@/lib/types";
+
+import airport from "./data/places/airport.json";
+import bookShop from "./data/places/book_shop.json";
+import stationery from "./data/places/stationery.json";
+import examCentre from "./data/places/exam_centre.json";
+import internetCafe from "./data/places/internet_cafe.json";
+import library from "./data/places/library.json";
+import impLocations from "./data/places/imp_locations.json";
+import trainStation from "./data/places/train_station.json";
+
+export interface StudyMapConfig {
+  /** Initial map center, as [lat, lng]. */
+  center: [number, number];
+  /** Default zoom level for the initial map view. */
+  defaultZoom: number;
+  /** Valid coordinate bounds for this region, used for data validation and map fitting. */
+  bounds: Bounds;
+  /**
+   * Preferred display order for the city filter. Any city present in the
+   * data but missing here still shows, sorted alphabetically after these.
+   */
+  cities: City[];
+  /** Every place pin StudyMap renders, merged from the data sources above. */
+  places: Place[];
+}
+
+const studyMapConfig: StudyMapConfig = {
+  center: [19.08, 72.95],
+  defaultZoom: 11,
+  bounds: {
+    minLat: 18,
+    maxLat: 20,
+    minLng: 72,
+    maxLng: 73,
+  },
+  cities: ["mumbai", "thane", "navi_mumbai"],
+  places: [
+    ...(airport as Place[]),
+    ...(bookShop as Place[]),
+    ...(stationery as Place[]),
+    ...(examCentre as Place[]),
+    ...(internetCafe as Place[]),
+    ...(library as Place[]),
+    ...(impLocations as Place[]),
+    ...(trainStation as Place[]),
+  ],
+};
+
+export default studyMapConfig;
diff --git a/supabase/migrations/20260701_create_user_events.sql b/supabase/migrations/20260701_create_user_events.sql
new file mode 100644
index 0000000..7598409
--- /dev/null
+++ b/supabase/migrations/20260701_create_user_events.sql
@@ -0,0 +1,35 @@
+-- Personal calendar events for signed-in users.
+-- Run this once against the project's Supabase database (SQL editor or
+-- `supabase db push`). Requires dashboard/CLI access this repo's Claude
+-- session did not have, so it ships as a migration file instead of being
+-- applied automatically.
+
+create table if not exists user_events (
+  id uuid primary key default gen_random_uuid(),
+  user_id uuid not null default auth.uid() references auth.users (id) on delete cascade,
+  title text not null,
+  date date not null,
+  category text not null,
+  notes text,
+  created_at timestamptz not null default now()
+);
+
+create index if not exists user_events_user_id_date_idx on user_events (user_id, date);
+
+alter table user_events enable row level security;
+
+create policy "Users can view their own events"
+  on user_events for select
+  using (auth.uid() = user_id);
+
+create policy "Users can insert their own events"
+  on user_events for insert
+  with check (auth.uid() = user_id);
+
+create policy "Users can update their own events"
+  on user_events for update
+  using (auth.uid() = user_id);
+
+create policy "Users can delete their own events"
+  on user_events for delete
+  using (auth.uid() = user_id);
diff --git a/supabase/migrations/20260701_create_user_places.sql b/supabase/migrations/20260701_create_user_places.sql
new file mode 100644
index 0000000..5e031b2
--- /dev/null
+++ b/supabase/migrations/20260701_create_user_places.sql
@@ -0,0 +1,65 @@
+-- Saved custom places + home location for signed-in users.
+-- Run this once against the project's Supabase database (SQL editor or
+-- `supabase db push`). Requires dashboard/CLI access this repo's Claude
+-- session did not have, so it ships as a migration file instead of being
+-- applied automatically.
+
+create table if not exists user_places (
+  id uuid primary key default gen_random_uuid(),
+  user_id uuid not null default auth.uid() references auth.users (id) on delete cascade,
+  name text not null,
+  type text not null,
+  city text not null,
+  lat double precision not null,
+  lng double precision not null,
+  address text,
+  note text,
+  created_at timestamptz not null default now()
+);
+
+create index if not exists user_places_user_id_idx on user_places (user_id);
+
+alter table user_places enable row level security;
+
+create policy "Users can view their own places"
+  on user_places for select
+  using (auth.uid() = user_id);
+
+create policy "Users can insert their own places"
+  on user_places for insert
+  with check (auth.uid() = user_id);
+
+create policy "Users can update their own places"
+  on user_places for update
+  using (auth.uid() = user_id);
+
+create policy "Users can delete their own places"
+  on user_places for delete
+  using (auth.uid() = user_id);
+
+-- One home location per user.
+create table if not exists user_home (
+  user_id uuid primary key default auth.uid() references auth.users (id) on delete cascade,
+  lat double precision not null,
+  lng double precision not null,
+  label text not null,
+  updated_at timestamptz not null default now()
+);
+
+alter table user_home enable row level security;
+
+create policy "Users can view their own home"
+  on user_home for select
+  using (auth.uid() = user_id);
+
+create policy "Users can insert their own home"
+  on user_home for insert
+  with check (auth.uid() = user_id);
+
+create policy "Users can update their own home"
+  on user_home for update
+  using (auth.uid() = user_id);
+
+create policy "Users can delete their own home"
+  on user_home for delete
+  using (auth.uid() = user_id);
diff --git a/vitest.config.ts b/vitest.config.ts
new file mode 100644
index 0000000..7ced36d
--- /dev/null
+++ b/vitest.config.ts
@@ -0,0 +1,14 @@
+import path from "node:path";
+import { defineConfig } from "vitest/config";
+
+export default defineConfig({
+  resolve: {
+    alias: {
+      "@": path.resolve(__dirname, "./src"),
+    },
+  },
+  test: {
+    environment: "jsdom",
+    include: ["src/**/*.test.ts", "src/**/*.test.tsx"],
+  },
+});