chore(tracker): mark Phase 1 complete (Step 1.10 → ✅; log PRs #71, #72)

[officialCodeWork]

Summary

🎉 Phase 1 — Ingestion + Knowledge Store is done.

• Flip Step 1.10 row from ⏳ to ✅ with full deliverable summary (rag-ingest package, IngestPipeline orchestrator, IngestResult / IngestRunSummary domain types, FastAPI `POST /v1/ingest/document`, ragctl ingest wired for real, 38 tests, docs).
• Phase 1 progress 15/16 → 16/16 done (Phase 1 complete).
• Total 28/84 → 29/84.
• Current-phase line advances Phase 1 → Phase 2.
• Next-action advances to Step 2.1 (Knowledge store read layer) — first step of the retrieval engine; closes the loop on the ingest pipeline.
• Add PRs chore(tracker): sync Step 1.9 → ✅ and log PRs #69, #70 #71 (Step 1.9 tracker sync) and feat(ingest,gateway): write path + POST /v1/ingest (Step 1.10 — CLI demo milestone) #72 (Step 1.10) to the PR & Branch History table.

CLI demo milestone delivered: `ragctl ingest ` runs documents end-to-end through every Phase 1 stage without any infra. Next milestone on the demo ladder is 🥈 Curl-able RAG at Step 3.1.

Documentation

• TRACKER.md — updated as described above.

Test plan

• No code touched; lint/test status is identical to `main`.

🤖 Generated with Claude Code