feat(kb): add kb-query service skeleton (search API, no ingress yet)
Module 5 phase 4 step 1 (docs/kb/modules/05-faza4-plan.md, §4): first
user-facing HTTP entry point to the KB. FastAPI wrapping
kb_retrieval.cascade_query/flat_query — GET /search (query_text -> embed via
Ollama@SOLARIA -> cascade/flat -> envelope join -> JSON with per-source
links) and GET /healthz. Search API only, no answer synthesis (phase 5) and
no server-side dist filtering — the 0.45/0.55 colour thresholds are a
frontend concern (plan §7, a later step).
Hard startup invariant (plan §2 decision 2): refuses to start unless the
configured EMBED_MODEL is present in both document_chunk.model and
document_summary.embedding_model. Note the latter: document_summary.model is
the LLM that *wrote* the summary (claude-haiku-4-5/gemma3:12b), not the
embedder — checked live against kb-postgres@PIHA before writing this, see
app/startup.py's docstring. Verified end-to-end with a live docker run: the
invariant crash-loops on a mismatched EMBED_MODEL and passes through to a
real /search hit against the live corpus with a correct model.
Repo-only: no deploy, no npm/OIDC/DNS wiring (plan §8, later step), no local
embed fallback (plan §5, later step) — Ollama@SOLARIA is called directly and
a failure surfaces as 503, not a crash.
Also: scripts/deploy/deploy.sh's gate now builds each service via
`docker compose build` instead of a raw `docker build <svc_dir>`, so a
service whose docker-compose.yml declares a repo-root build context (needed
here to COPY packages/kb-retrieval/, the packages/ Dockerfile convention
already documented in CLAUDE.md) resolves the same way in the gate as it
does at real deploy time (deploy-node.sh's `docker compose ... up --build`).
No behavior change for existing single-context services — verified against
llm-gateway's compose file.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-07-22 16:06:18 +02:00
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services:
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kb-query:
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build:
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# Repo-root context (not the usual `.` = this dir) so the Dockerfile can
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# `COPY packages/kb-retrieval/` — the packages/ Dockerfile convention from
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# CLAUDE.md. scripts/deploy/deploy.sh's gate and deploy-node.sh's
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# `docker compose ... up --build` both resolve this the same way.
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context: ../..
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dockerfile: services/kb-query/Dockerfile
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container_name: kb-query
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restart: unless-stopped
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ports:
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# LAN-only bind, never 0.0.0.0 — same convention as paperless/nextcloud
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# (exposure: private). npm@PIHA vhost + OIDC are a later step (plan §8);
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# this bind is what that vhost will eventually proxy to.
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# Requires .env (from env.example) next to this file at deploy.
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- "${LAN_BIND_IP}:8230:8080"
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environment:
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- KB_DSN=${KB_DSN}
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- OLLAMA_URL=${OLLAMA_URL:-http://solaria:11434}
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feat(kb-query): active embed fallback SOLARIA→PIHA (module 5 phase 4, plan §2/§5)
Last missing core piece of KB phase 4: kb-query no longer hard-fails /search
when Ollama@SOLARIA is unreachable. app/fallback.py implements the plan's
circuit-breaker exactly (30s cached health probe, 3s hard embed timeout on
SOLARIA, one-shot same-request switch to a new local ollama-piha@PIHA
container on timeout/error). sol_status in /healthz and /search now reflects
the real breaker state instead of a hardcoded "up".
New services/ollama-piha (bge-m3, OLLAMA_KEEP_ALIVE=0, arm64/no-GPU) is the
local fallback leg. Live calibration on PIHA (2026-07-27, normal load):
embed latency 4.2-5.2s, RAM peak ~983MiB against a 2.5GiB ceiling -- both
inside the plan's go-bar, so the fallback is enabled by default rather than
gated behind a flag. Calibration also surfaced and disabled (not removed) a
previously-undocumented orphaned native ollama.service on PIHA that had been
conflicting with the container's port.
The embed-model invariant (query embedding == document_chunk.model) still
enforces once at startup, since both fallback legs share one EMBED_MODEL
constant by construction; a redundant per-request DB check was deliberately
skipped and the invariant is instead proven structurally by test.
retrieval_eval.py gains --transport http (plan §2 decision 6/§9), previously
unimplemented. Verified live: HTTP transport is bit-identical to direct
transport against the same live SOLARIA (0 mismatches), and a live sol-down
simulation (kb-query's own OLLAMA_URL pointed at a dead address, no other
Ollama consumer touched) shows the PIHA fallback answering with the same
hit@3 gate outcome and dist within ~3e-4 of the SOLARIA baseline.
Zero changes to DB schema or kb_retrieval's retrieval logic -- only the
embed + health layer, per task constraints.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-07-27 18:57:46 +02:00
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- OLLAMA_PIHA_URL=${OLLAMA_PIHA_URL:-http://localhost:11434}
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feat(kb): add kb-query service skeleton (search API, no ingress yet)
Module 5 phase 4 step 1 (docs/kb/modules/05-faza4-plan.md, §4): first
user-facing HTTP entry point to the KB. FastAPI wrapping
kb_retrieval.cascade_query/flat_query — GET /search (query_text -> embed via
Ollama@SOLARIA -> cascade/flat -> envelope join -> JSON with per-source
links) and GET /healthz. Search API only, no answer synthesis (phase 5) and
no server-side dist filtering — the 0.45/0.55 colour thresholds are a
frontend concern (plan §7, a later step).
Hard startup invariant (plan §2 decision 2): refuses to start unless the
configured EMBED_MODEL is present in both document_chunk.model and
document_summary.embedding_model. Note the latter: document_summary.model is
the LLM that *wrote* the summary (claude-haiku-4-5/gemma3:12b), not the
embedder — checked live against kb-postgres@PIHA before writing this, see
app/startup.py's docstring. Verified end-to-end with a live docker run: the
invariant crash-loops on a mismatched EMBED_MODEL and passes through to a
real /search hit against the live corpus with a correct model.
Repo-only: no deploy, no npm/OIDC/DNS wiring (plan §8, later step), no local
embed fallback (plan §5, later step) — Ollama@SOLARIA is called directly and
a failure surfaces as 503, not a crash.
Also: scripts/deploy/deploy.sh's gate now builds each service via
`docker compose build` instead of a raw `docker build <svc_dir>`, so a
service whose docker-compose.yml declares a repo-root build context (needed
here to COPY packages/kb-retrieval/, the packages/ Dockerfile convention
already documented in CLAUDE.md) resolves the same way in the gate as it
does at real deploy time (deploy-node.sh's `docker compose ... up --build`).
No behavior change for existing single-context services — verified against
llm-gateway's compose file.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
2026-07-22 16:06:18 +02:00
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- EMBED_MODEL=${EMBED_MODEL:-bge-m3}
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- SUMMARY_MODEL=${SUMMARY_MODEL:-claude-haiku-4-5}
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# python:3.12-slim has no curl/wget; same in-container check pattern as llm-gateway.
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healthcheck:
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test: ["CMD", "python", "-c", "import urllib.request; urllib.request.urlopen('http://127.0.0.1:8080/healthz', timeout=3).read()"]
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interval: 30s
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timeout: 10s
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retries: 5
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start_period: 10s
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