framework: make tool discoverability, workspace placement and model tiering mechanical (#1174)

.woodpecker/ci.yml

@@ -46,10 +46,28 @@ steps:
       # [0] of the pnpm chain, so severing that chain would silence it together
       # with everything it guards; this direct line keeps one instrument running.
       - bash packages/mosaic/framework/tools/quality/scripts/check-test-enumeration.sh
+      # Tool-index gate: a shipped wrapper that appears in no resident index doc
+      # is undiscoverable from inside a session, and an agent that cannot learn a
+      # wrapper exists reaches for raw curl instead — which is how a Gitea review
+      # got filed PENDING three times. Ships-and-documented is one commit, or red.
+      - bash packages/mosaic/framework/tools/quality/scripts/check-tools-index.sh --self-test
+      - bash packages/mosaic/framework/tools/quality/scripts/check-tools-index.sh
       # Hermetic regression for issue-close.sh (#1081): mocks tea/curl onto PATH
       # and sandboxes a throwaway git repo, so it resolves no real credentials and
       # joins CI directly rather than the exclusions file.
       - bash packages/mosaic/framework/tools/git/test-issue-close-fail-closed.sh
+      # Hermetic behavioural regression for the PreToolUse wrapper guard: proves
+      # it still blocks the three mistakes AND still lets reads, unwrapped
+      # endpoints and ordinary commands through. Both directions are asserted —
+      # a guard that over-blocks gets routed around, which fails just as hard.
+      - bash packages/mosaic/framework/tools/git/test-wrapper-guard.sh
+      # Hermetic regression for mosaic-worktree.sh at fleet scale: stubs git onto
+      # PATH so `list` faces ~450 KB of porcelain. The defect it pins is invisible
+      # at small size — `git … | awk '…exit'` gives the producer SIGPIPE, which
+      # under `set -euo pipefail` aborts the caller silently with rc=141 and no
+      # output. A repo only reaches that once it has enough worktrees, so the
+      # stub supplies the scale instead of the host's own checkout.
+      - bash packages/mosaic/framework/tools/git/test-mosaic-worktree-large-repo.sh
 
   # Blocking gate (#791): a framework upgrade must never write or delete an
   # operator-owned path. The HARD GATE proves an unanticipated operator sentinel