Elie Habib fe67111dc9 feat: harness engineering P0 - linting, testing, architecture docs (#1587) ...

* feat: harness engineering P0 - linting, testing, architecture docs

Add foundational infrastructure for agent-first development:

- AGENTS.md: agent entry point with progressive disclosure to deeper docs
- ARCHITECTURE.md: 12-section system reference with source-file refs and ownership rule
- Biome 2.4.7 linter with project-tuned rules, CI workflow (lint-code.yml)
- Architectural boundary lint enforcing forward-only dependency direction (lint-boundaries.mjs)
- Unit test CI workflow (test.yml), all 1083 tests passing
- Fixed 9 pre-existing test failures (bootstrap sync, deploy-config headers, globe parity, redis mocks, geometry URL, import.meta.env null safety)
- Fixed 12 architectural boundary violations (types moved to proper layers)
- Added 3 missing cache tier entries in gateway.ts
- Synced cache-keys.ts with bootstrap.js
- Renamed docs/architecture.mdx to "Design Philosophy" with cross-references
- Deprecated legacy docs/Docs_To_Review/ARCHITECTURE.md
- Harness engineering roadmap tracking doc

* fix: address PR review feedback on harness-engineering-p0

- countries-geojson.test.mjs: skip gracefully when CDN unreachable
  instead of failing CI on network issues
- country-geometry-overrides.test.mts: relax timing assertion
  (250ms -> 2000ms) for constrained CI environments
- lint-boundaries.mjs: implement the documented api/ boundary check
  (was documented but missing, causing false green)

* fix(lint): scan api/ .ts files in boundary check

The api/ boundary check only scanned .js/.mjs files, missing the 25
sebuf RPC .ts edge functions. Now scans .ts files with correct rules:
- Legacy .js: fully self-contained (no server/ or src/ imports)
- RPC .ts: may import server/ and src/generated/ (bundled at deploy),
  but blocks imports from src/ application code

* fix(lint): detect import() type expressions in boundary lint

- Move AppContext back to app/app-context.ts (aggregate type that
  references components/services/utils belongs at the top, not types/)
- Move HappyContentCategory and TechHQ to types/ (simple enums/interfaces)
- Boundary lint now catches import('@/layer') expressions, not just
  from '@/layer' imports
- correlation-engine imports of AppContext marked boundary-ignore
  (type-only imports of top-level aggregate)

2026-03-14 21:29:21 +04:00

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