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Bastien Chanot 74528a6910 feat(agents): W2/S1 plugin split — probe (sonnet) + advisor reasoner (opus) + plugin-gate include (BDR-077)
plugin-advisor keeps its name, becomes the opus REASONER: PHASE 1 bash
extracted to new plugin-probe (sonnet, facts-only PROBE REPORT), PHASE 4
apply + checkpoint hoisted to new lib/plugin-gate.md (main-loop include,
doc-commit.md x6 pattern). Fail-closed: advisor ERRORs on missing report.
4 consumers rewired (plugin-check, onboard, init-project, ship-feature).
In-wave planted-input smoke PASSED: probe report complete w/ fallbacks;
advisor consumed every planted field (monorepo per-package note, fast-libs
ctx7 reco) with zero re-detection; ERROR verdict on absent report.
Census §13 (81 pass). Note: new subagent_type registers next session —
resolution re-check before wave merge.
2026-07-19 20:57:10 +02:00

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3.3 KiB
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# Plugin gate — shared consumer include (plugin-check, onboard, init-project, ship-feature STEP 0)
Runs in the CONSUMER'S MAIN LOOP. The detection and the reasoning are
dispatched (BDR-077 tiers); the validation checkpoint, the report
presentation, and the apply gate live HERE — a dispatched agent can neither
ask the user nor safely mutate plugin state.
## 1. PROBE (dispatch — sonnet)
```
Agent(subagent_type="plugin-probe", description="plugin gate — probe",
prompt="Run your probes from <PROJECT_ROOT>. Emit the PROBE REPORT.")
```
## 2. VALIDATION CHECKPOINT (main loop — between probe and reasoner)
Validate the PROBE REPORT before any reasoning:
- `EXTERNAL` non-empty AND each listed plugin's directory appears under
`CHECKPOINT plugin-dirs`.
- At least one project signal present (MANIFESTS / FRAMEWORK-DEPS /
TSX-JSX-COUNT > 0 / DOCKER-COUNT > 0 / EMBEDDED hits). Else print
`⚠️ No project signals detected — recommendations will be conservative.`
and continue.
- `CHECKPOINT toggle-script=UNAVAILABLE` → print `⚠️ toggle script
unavailable — recommendations will be advisory only, no auto-activation.`
and SKIP step 5 (apply) entirely.
- PROBE REPORT missing/unparsable → retry the probe ONCE fresh; a 2nd
failure → STOP and surface (never reason over invented detection).
## 3. REASON (dispatch — opus)
```
Agent(subagent_type="plugin-advisor", description="plugin gate — reason",
prompt="""
REQUEST: <the user's request / project description, verbatim>
PROBE REPORT (ground truth — do not re-detect):
<the full PROBE REPORT from step 1>
""")
```
## 4. PRESENT + BLOCKING GATE (main loop)
Show the returned PLUGIN CHECK block.
- `ACTION REQUIRED? YES` → offer: A) fix plugins B) type "force". STOP until
answered.
- OK → print `✅ Plugin check passed — [active plugins] — complexity: <score>%`.
## 5. APPLY GATE (main loop — only when the flow auto-activates)
If any plugin has ⚡ ENABLE status:
1. List the changes:
```
PROPOSED CHANGES:
⚡ Enable ui-ux-pro-max (frontend detected, complexity 65%)
⚡ Pre-fetch ctx7 docs for next.js, prisma
Apply these changes? (yes / no / customize)
```
2. "yes" → apply via the exact commands the advisor emitted. "customize" →
user picks. "no" → proceed with current config.
**Never auto-activate without showing the list and getting confirmation.**
### Rollback on partial failure
Track each toggle; roll back the partial set rather than leave a
half-applied configuration:
```bash
applied=()
for change in "${PROPOSED_CHANGES[@]}"; do
if bash "$HOME/.claude/lib/toggle-external.sh" enable "$change"; then
applied+=("$change")
else
echo "❌ failed to enable $change — rolling back ${#applied[@]} prior change(s)"
for prior in "${applied[@]}"; do
bash "$HOME/.claude/lib/toggle-external.sh" disable "$prior" \
|| echo "⚠️ rollback of $prior also failed — manual cleanup required: see ~/.claude/plugins/cache"
done
exit 1
fi
done
```
Surface: `✅ Applied N change(s).` — or on failure:
```
⚠️ Toggle failed at change <name>. Rolled back the N prior change(s).
To inspect manually: ls ~/.claude/plugins/cache; bash ~/.claude/lib/toggle-external.sh list
Re-run /plugin-check after fixing the underlying cause (e.g. permissions).
```