Session 0016.0 — Transcript

App: dev-claude-plugin Start: 2026-06-05T12-45 (PST) · End: 2026-06-05T17-45 (PST) Type: coding Goal: Auto-trigger (or offer) wgl-session-finalize when a /goal is achieved; persist a next-/goal to memory; explicit resume. Outcome: Shipped plugin 0.15.0 — new finalize-on-goal Stop hook + the /goal next resume. Merged via PR #9 (f406d8a).

Plan

Classify + open the session (coding) and claim the transcript ID.
Brainstorm the design (it has a real feasibility unknown).
Decide: trigger behavior (mode-governed), mechanism (one Stop hook), resume (explicit).
De-risk the load-bearing unknown — how a /goal achievement is detectable.
Implement: Stop hook + finalize-core policy + memory field + gate/init resume + version/docs.
Verify, branch→PR→merge (autonomous), finalize.

Pre-session state

Clean main at 70bf3e9, source 0.14.0 (installed cache also 0.14.0 — operator had re-installed since the 0.13.0 era recorded in memory). No in-flight sessions. The plugin already had exactly one hook (the SessionStart session gate); /goal appeared in the skills only as a string the init/finalize skills emit for the operator to paste — the actual /goal command and its "Goal achieved" signal are harness-level.

Turn-by-turn arc

Gate + claim. Classified the request as a coding session on the plugin itself, invoked wgl-session-coding-init, peeked (dry-run: nothing in flight) and claimed 0016. Confirmed clean pushed main; noted source = cache = 0.14.0.
Brainstorming. Established the feasibility picture via the claude-code-guide agent: /goal is a real built-in that loops across turns and records an "achieved" entry on completion; there is no GoalAchieved hook; the Stop hook (every turn-end) and UserPromptSubmit (can block) are the levers; hooks can't invoke a skill — they inject context / block; mode is not persisted so a hook can't read yolo/careful.
Decision 1 — trigger: operator chose mode-governed (yolo → auto-finalize; careful → offer on next prompt). Since mode isn't readable by a hook, the hook is mode-blind and the agent branches.
Decision 2 — mechanism: operator chose one Stop hook (deterministic detect + sentinel + neutral nudge; agent branches; careful offer surfaces at goal-time then waits).
Operator refinement on resume (#4): resume-from-memory must be explicit — /goal next (gate) and /wgl-session-coding-init next goal (bookend) read a stored field; a normal init starts some other session; anything else → normal auto-detect. Honesty caveat recorded: bare /goal is the built-in's status command and may not be interceptable; /goal next is the dependable trigger.
De-risking detection (the crux). The goal-achieved format is undocumented and the Stop input carries no goal field; no /goal had ever been used locally to sample, and a loose regex would false-positive on prose (this very session discusses "goal_status"). Recovered the authoritative shape from the CLI binary (~/.local/share/claude/versions/2.1.165, Mach-O): goal events are goal_status attachments, achieved = met:true && !sentinel (the predicate the binary's own reverse-scan uses). Detection keys on the JSON object structure → prose-proof.
Implementation. Wrote hooks/finalize-on-goal (fail-open throughout; grep pre-gate; resolve-app.py; --INPROGRESS placeholder gate; sentinel count; block-reason nudge), registered it as a second Stop entry in hooks.json. Added the finalize-core "Entering finalize when a /goal completes" policy + Step 6 **Next /goal:** persistence; publish-transcript.sh sentinel cleanup; the gate's /goal next branch; coding-init Step 7a; version 0.15.0; CLAUDE.md/README.
Verification. Ephemeral harness (/tmp/wgl-fog-test.sh): genuine achievement among met:false/sentinel/prose decoys → count 1; prose-only → 0; full hook emits the block once, sentinel suppresses re-fire, prose-only and no-placeholder stay silent. jq empty (both JSON), bash -n (both scripts), no trailing inline CLI comments.
Land. Spec committed (fc969a7), implementation committed (566c586) on feat/finalize-on-goal; pushed; PR #9 opened and merged (f406d8a) via the Gitea API (no gh/tea); branch deleted; local main fast-forwarded.

Cut state (end of session)

Repo	Branch→main	Commits / PR	State
wiggleverse-dev-claude-plugin	`feat/finalize-on-goal` → `main`	design `fc969a7`, impl `566c586`, merge `f406d8a` (PR #9)	Merged, branch deleted, `main` clean & pushed

Source now 0.15.0; installed cache still 0.14.0 (lags until re-install). No open PRs, no dirty tree, no unpushed commits. Deferred decisions: none (every call decided jointly via AskUserQuestion).

What lands on the operator's plate

Re-install to make 0.15.0 live: /plugin marketplace update + /plugin install. The new Stop hook activates only on the next new session.
Detection is best-effort / fail-open. If a Claude Code upgrade changes the goal_status shape the hook silently stops nudging (degrades to manual finalize); re-confirm against a real /goal run or the CLI binary and update the jq.
Bare /goal resume is best-effort; /goal next is dependable.

Prompt the operator can paste into the next session

/goal Re-install plugin 0.15.0, then verify finalize-on-goal end-to-end live: in a tracked session run a throwaway /goal that completes, confirm the Stop hook nudges wgl-session-finalize (yolo auto / careful offer), and confirm `/goal next` resumes the stored Next /goal from this repo's memory.

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