fix(build): de-duplicate Cargo.lock capnp (closes #272) + refresh guix.scm version#273
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The capnpc 0.25->0.26 bump (#267) left two byte-identical `[[package]] name = "capnp" version = "0.26.0"` stanzas, which cargo rejects ("package `capnp` is specified twice in the lockfile", exit 101) -- reding every build job (MVP Smoke, Boot Gate, the whole T1/* live-prover matrix). Collapsed the duplicate; capnp 0.25.6 (required by capnpc) and the single 0.26.0 remain. Closes #272 https://claude.ai/code/session_01UAqDQaMwpUqWHUSZekGZWv
guix.scm declared (version "1.5.0") while the workspace is at 2.3.0 (Cargo.toml / STATE.a2ml). No Nix to remove: echidna has no flake.nix/flake.lock (the 2026-05-18 estate ruling was already applied); remaining nix mentions are intentional deprecation history. https://claude.ai/code/session_01UAqDQaMwpUqWHUSZekGZWv
axum 0.8.9 (bumped on main) panics at router-build time on the old
`:param` path syntax ("Path segments must not start with `:`. For
capture groups, use `{capture}`"). This was masked by the Cargo.lock
build break (#272); fixing that surfaced the panic, reding Boot Gate +
MVP Smoke (server panics on startup -> /api/health fails).
Migrated every `:param` -> {param} route string:
- src/rust/server.rs: /api/session/{id}/{state,apply,tree} (+ startup help text)
- src/interfaces/rest/main.rs: /api/v1/provers/{kind};
/api/v1/proofs/{id} (+ /tactics, /tactics/suggest, /export)
Routes compiled already; runtime string syntax only, so no handler
changes. Verified no `:param` route strings remain in src/.
Refs: #272
https://claude.ai/code/session_01UAqDQaMwpUqWHUSZekGZWv
The previous commit's `:id`->{id} route migration also rewrote the
println! help text, where `{id}` is read as a captured format arg ->
build break (E0425: cannot find value `id`). Escaped to `{{id}}` so it
prints a literal `{id}` matching the new route syntax. The `.route(...)`
string literals are unaffected (they are not format strings).
https://claude.ai/code/session_01UAqDQaMwpUqWHUSZekGZWv
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Two build-hygiene fixes; the first unblocks all build CI.
fix(build)— Cargo.lock duplicatecapnp(closes #272)The
capnpc0.25→0.26 bump (#267) left two byte-identicalcapnp 0.26.0stanzas inCargo.lock, which cargo rejects (package capnp is specified twice in the lockfile, exit 101) — reding every build job (MVP Smoke, Boot Gate, the wholeT1/*live-prover matrix) on every PR since. Collapsed the duplicate;capnp 0.25.6(required bycapnpc) and the single0.26.0remain. Deterministic dedup of identical stanzas — the build CI here will confirm (the authoring sandbox has no registry cache to runcargo --lockedlocally).chore(guix)— version refreshguix.scmdeclared(version "1.5.0")while the workspace is2.3.0(Cargo.toml/STATE.a2ml). Bumped to match.Nix — already clean (nothing to remove)
echidna has no
flake.nix/flake.lock/*.nix— the 2026-05-18 estate ruling was already applied (STATE.a2ml: "flake.nix + flake.lock git rm'd"). Remainingnixmentions are intentional deprecation history (CLAUDE.md, STATE.a2ml, manifest comments), plus a harmless.gitattributesflake.lockline andechidna-playgroundCODEOWNERS entries for non-existent files — left as-is (template/sub-project managed). Say the word to purge those dead lines too.Draft until reviewed.
https://claude.ai/code/session_01UAqDQaMwpUqWHUSZekGZWv
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