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TacTile›Launch TacTile›RAG / Semantic Search·16 in this wave

Approve: RAG / Semantic SearchTo do · blocker Decide: RAG stays internal-only or becomes the agent's retrieval layerTo do · blocker Decide: will RAG ever index per-account/customer content?To do · blocker Verify RAG_QUERY_STUB is removedDone Build rag.search MCP tool and wire it into the customer agent turnTo do Fix score-floor fallback that silently answers from irrelevant chunksTo do Build a retrieval-quality eval harnessTo do Fix dead repos.yml config and scope the indexer's whole-repo catch-allTo do Add unit test coverage for chunkers, rerank, and collector logicTo do Run e2e retrieval smoke testTo do Confirm vector DB has dataTo do Add rate limiting to /api/rag/queryDone Verify RAG honest-degrade behavior after the score-floor fixTo do Run the eval harness and record a retrieval-quality baselineTo do Fix full-repo re-embed on every git push (unbounded per-push cost)To do Bound and monitor total OpenAI spend for RAGTo do

Wave

RAG / Semantic Search

Retrieval for the flagship agent — protected alongside it, not cut. Earlier framing as cut-list item #1 was wrong and is reversed. Critical finding: RAG is NOT actually wired to the customer agent today — searchAndAnswer() is only reachable via an internal endpoint behind a static token, and the corpus is TacTile's own monorepo and business docs rather than customer data. So it is currently an internal dev tool. Tenant isolation is safe only by accident: there is no account_id column and no scoping primitive, so the day customer content is added, cross-account leakage needs zero code changes to happen.

TacTile › Launch TacTile › RAG / Semantic Search

2/16 done14 open3 open blockers

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Approve: RAG / Semantic Search

To doOwner · met_821ebb19Blocker

Waiting on 15 · 13 still openVerify RAG_QUERY_STUB is removed Run e2e retrieval smoke test Confirm vector DB has data Add rate limiting to /api/rag/query Decide: RAG stays internal-only or becomes the agent's retrieval layer Build rag.search MCP tool and wire it into the customer agent turn Decide: will RAG ever index per-account/customer content?Fix score-floor fallback that silently answers from irrelevant chunks Verify RAG honest-degrade behavior after the score-floor fix Build a retrieval-quality eval harness Run the eval harness and record a retrieval-quality baseline Fix full-repo re-embed on every git push (unbounded per-push cost)Bound and monitor total OpenAI spend for RAG Fix dead repos.yml config and scope the indexer's whole-repo catch-all Add unit test coverage for chunkers, rerank, and collector logic

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```

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## The task

**Approve: RAG / Semantic Search** · to do · blocker

Where it sits: TacTile › Launch TacTile › RAG / Semantic Search

## Waiting on 15

- Verify RAG_QUERY_STUB is removed — done
- Run e2e retrieval smoke test — to do
- Confirm vector DB has data — to do
- Add rate limiting to /api/rag/query — done
- Decide: RAG stays internal-only or becomes the agent's retrieval layer — to do
- Build rag.search MCP tool and wire it into the customer agent turn — to do
- Decide: will RAG ever index per-account/customer content? — to do
- Fix score-floor fallback that silently answers from irrelevant chunks — to do
- Verify RAG honest-degrade behavior after the score-floor fix — to do
- Build a retrieval-quality eval harness — to do
- Run the eval harness and record a retrieval-quality baseline — to do
- Fix full-repo re-embed on every git push (unbounded per-push cost) — to do
- Bound and monitor total OpenAI spend for RAG — to do
- Fix dead repos.yml config and scope the indexer's whole-repo catch-all — to do
- Add unit test coverage for chunkers, rerank, and collector logic — to do

13 of those are still open. If one genuinely blocks this, say so and stop rather than working around it.

## The brief on file

Viv — compile the finished RAG / Semantic Search package for review; surface anything needing Matthew's sign-off.

## How to work this

- Do the work, don't just plan it. If the fix is obvious and safe, make it.
- Surface anything needing Matthew's sign-off instead of deciding it yourself.
- Short replies. Lead with the answer, then stop.
- Finish by saying what changed, what you verified, and what you'd do next.

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RAG / Semantic Search

Approve: RAG / Semantic Search