Add application flow diagrams

[Copilot]

Comprehensive Mermaid flow diagrams documenting the KrushiSaathi application architecture and user journeys. Renders natively on GitHub.

FLOW_DIAGRAM.md — 9 diagrams covering:

• Architecture — Client, API routes, external services (Firebase, Gemini, Cloudinary, Google Maps)
• Auth & routing — JWT middleware logic, role-based redirects
• Signup flow — Farmer vs Soil Agent paths, validation, image upload, token issuance
• Farmer journey — Dashboard → lab selection → sample registration → progress tracking → reports → crop recommendations
• Soil Agent journey — Dashboard → view farmers → status updates → result entry → PDF upload
• API map — All REST endpoints grouped by domain
• Sample lifecycle — State diagram: Registered → InProcess → Completed → ReportViewed
• Voice assistant — Audio capture → Gemini multimodal WebSocket → response playback
• E2E summary — Compact view showing how farmer and agent flows connect

README.md

• Added link to FLOW_DIAGRAM.md in the documentation section

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Project	Deployment	Actions	Updated (UTC)
krushisaathi	Error		Feb 13, 2026 4:49am