feat(skills): integrate web-search, db-yaml, agent-cost, diataxis-docs, kb-search; retire searxng

2026-08-10 20:50:25 +01:00
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+---
+name: kb-search
+description: >-
+  Deduction search over the 2dph brain (Ladybug graph: ops corpus, portfolio,
+  ssh hosts) with bin/kb/search instead of reading files or grepping repos.
+  Use whenever a question starts with "where is", "what runs on", "which file
+  describes", "who is", "how is X done", before opening any documentation.
+---
+
+# kb-search — deduction over facts and info
+
+One embedded Ladybug graph (`var/kb.lbug`, read-only when queried) holding two
+roots:
+
+- **facts** — assertions backed by ≥2 independent sources (docker ps × compose
+  × ssh-config × docs), `confidence: confirmed`.
+- **info** — descriptive/narrative leafs, searchable, never asserted.
+
+Search = deduction: facts root first, info root second, `web-search` as the
+second independent source when local roots cannot confirm. An answer is
+`confirmed` only if it comes off the facts root; anything else is
+`(not confirmed)`.
+
+```bash
+bin/kb/search "Matrix federation"                # pointers + snippets, YAML
+bin/kb/search "what runs on arc-2" --hop 1       # follow graph edges
+bin/kb/search "onlyoffice postgres" --root facts # restrict to confirmed
+bin/kb/search "where is cs-lexicon" --json | yq '.[].ref'
+bin/kb/get <id> --body                           # full chunk only when needed
+bin/kb/stats                                     # index health
+bin/kb/eval                                      # recall@5 >= 0.95 gate
+```
+
+## Rules
+
+- Search before you read. Never grep a repo for a concept the graph covers.
+- `--root facts` returns only confirmed evidence-linked answers. Default shows
+  facts first, then info leafs clearly marked `(not confirmed)`.
+- If recall looks wrong, run `bin/kb/eval`; it gates control questions and
+  should stay at or above 95% recall@5.
+- `--hop N` follows sibling leaves, owning files, `related:` links and
+  vector-neighbours — that is the deduction walk, not random expansion.
+- Escalate to `web-search` (the `web-search` skill) as the independent second
+  source when both local roots cannot confirm; never report an unconfirmed
+  single-source local answer as fact.