Remove Superpowers autoseeding

.claude/rules/decisions.md

@@ -1,36 +1,48 @@
 # Team Decisions
 
-## Core Architecture
-- [markdown-source-of-truth](.claude/decisions/markdown-source-of-truth.md) — Markdown files are source of truth. FTS5 index is derived — delete it and it rebuilds.
-- [append-only-decisions](.claude/decisions/append-only-decisions.md) — Append-only is enforced by git. Edit in place, delete when obsolete, git log preserves history.
-- [git-is-the-history-layer](.claude/decisions/git-is-the-history-layer.md) — Edit decisions in place, delete when obsolete. Git tracks evolution — no supersedes/withdrawn needed.
-- [stdlib-only-in-src](.claude/decisions/stdlib-only-in-src.md) — Zero external dependencies in src/. Stdlib-only Python 3.11+.
-- [pure-methods-on-store](.claude/decisions/pure-methods-on-store.md) — No side effects at import time on DecisionStore.
-- [team-first-decisions](.claude/decisions/team-first-decisions.md) — Decisions write to .claude/decisions/ in repo. Memory is fallback for non-repo contexts only.
-
-## Policy Engine
-- [policy-evaluation-order](.claude/decisions/policy-evaluation-order.md) — BLOCK → LIFECYCLE → CONTEXT → NUDGE. Block/reject fail-fast. Plugin always forces ok=True (advisory).
-- [session-state-in-tmp](.claude/decisions/session-state-in-tmp.md) — Per-session state in /tmp with atomic O_CREAT|O_EXCL marker files.
-
-## Hook Dispatch
-- [bash-dispatch-fast-paths](.claude/decisions/bash-dispatch-fast-paths.md) — dispatch.sh avoids spawning Python for no-op events via fast-paths.
-- [dispatch-errors-never-break-claude](.claude/decisions/dispatch-errors-never-break-claude.md) — dispatch.sh traps ERR and exits 0. Plugin errors must never break Claude Code.
-
-## Search & Storage
-- [fts5-search-pipeline](.claude/decisions/fts5-search-pipeline.md) — FTS5 MATCH with BM25, fallback to weighted keyword matching.
-- [incremental-sync-over-full-rebuild](.claude/decisions/incremental-sync-over-full-rebuild.md) — FTS5 index uses incremental sync with per-file mtime, not full rebuild.
-- [tag-summary-over-per-decision-listing](.claude/decisions/tag-summary-over-per-decision-listing.md) — Session-context injects tag counts and query hint instead of listing individual decisions.
-
-## Skills & UX
-- [single-skill-entry-point](.claude/decisions/single-skill-entry-point.md) — One /decision skill handles capture, search, and manage via intent detection.
-- [no-capture-confirmation](.claude/decisions/no-capture-confirmation.md) — Agents write decisions without confirmation. /decision undo is the safety net.
-- [merge-tags-stats-into-list](.claude/decisions/merge-tags-stats-into-list.md) — Consolidated /decision:tags and /decision:stats into /decision:list as --tags and --stats flags.
-- [search-skill-prefer-preseeded](.claude/decisions/search-skill-prefer-preseeded.md) — Search skill presents pre-seeded hook results first, falls back to Glob/Grep only if needed.
-
-## Nudges
-- [capture-nudge-corroboration-requirement](.claude/decisions/capture-nudge-corroboration-requirement.md) — Capture-nudge requires trigger phrase + technical signal (or 2+ phrases) to reduce false positives.
-- [query-preseed-hook-for-skill](.claude/decisions/query-preseed-hook-for-skill.md) — UserPromptSubmit hook pre-seeds Python query results before the skill runs Glob/Grep.
-- [stop-hook-nudge-for-decision-capture](.claude/decisions/stop-hook-nudge-for-decision-capture.md) — Stop hook nudges agent to capture decisions before session ends.
-
-- [stale-path-all-decisions](.claude/decisions/stale-path-all-decisions.md) — Stale affects-path warnings fire for all decision writes, not just new ones.
-
+## Affects
+- [stale-path-all-decisions](.claude/decisions/stale-path-all-decisions.md) — Stale affects-path warnings fire for all decision writes, not just new ones
+
+## Architecture
+- [append-only-decisions](.claude/decisions/append-only-decisions.md) — Append-only is enforced by git, not file conventions. Edit in place, delete when obsolete, git log preserves history.
+- [bash-dispatch-fast-paths](.claude/decisions/bash-dispatch-fast-paths.md) — dispatch.sh avoids spawning Python for no-op hook events via fast-paths
+- [dispatch-errors-never-break-claude](.claude/decisions/dispatch-errors-never-break-claude.md) — dispatch.sh traps ERR and exits 0 — plugin errors must never break Claude Code
+- [fts5-search-pipeline](.claude/decisions/fts5-search-pipeline.md) — Search uses FTS5 with BM25 ranking, falling back to weighted keyword matching
+- [git-is-the-history-layer](.claude/decisions/git-is-the-history-layer.md) — Edit decisions in place, delete when obsolete. Git tracks the full evolution — no supersedes/withdrawn ceremony needed.
+- [markdown-source-of-truth](.claude/decisions/markdown-source-of-truth.md) — Markdown files are the source of truth — FTS5 index is derived and disposable
+- [no-capture-confirmation](.claude/decisions/no-capture-confirmation.md) — Agents write decisions automatically without confirmation prompts — /decision undo is the safety net
+- [policy-evaluation-order](.claude/decisions/policy-evaluation-order.md) — Policies evaluate BLOCK → LIFECYCLE → CONTEXT → NUDGE with fail-fast on block/reject
+- [pure-methods-on-store](.claude/decisions/pure-methods-on-store.md) — No side effects at import time on DecisionStore
+- [session-state-in-tmp](.claude/decisions/session-state-in-tmp.md) — Per-session state in /tmp with atomic O_CREAT|O_EXCL marker files for once-per-session policies
+- [single-skill-entry-point](.claude/decisions/single-skill-entry-point.md) — One /decision skill handles capture, search, and manage via intent detection
+- [skill-hook-cli-boundary](.claude/decisions/skill-hook-cli-boundary.md) — Skill = intent + behavior guidance, hooks = correctness enforcement, CLI = data access + computation
+- [stdlib-only-in-src](.claude/decisions/stdlib-only-in-src.md) — Zero external dependencies in src/ — stdlib-only Python 3.11+
+- [team-first-decisions](.claude/decisions/team-first-decisions.md) — Decisions write to .claude/decisions/ in repo by default. Memory is fallback for non-repo contexts only.
+
+## Hooks
+- [capture-nudge-corroboration-requirement](.claude/decisions/capture-nudge-corroboration-requirement.md) — Capture-nudge requires trigger phrase + technical signal (or 2+ phrases) to reduce false positives
+
+## Plugin Architecture
+- [query-preseed-hook-for-skill](.claude/decisions/query-preseed-hook-for-skill.md) — UserPromptSubmit hook pre-seeds Python query results before the query skill runs Glob/Grep
+- [stop-hook-nudge-for-decision-capture](.claude/decisions/stop-hook-nudge-for-decision-capture.md) — Stop hook nudges agent to capture decisions before session ends
+- [tag-summary-over-per-decision-listing](.claude/decisions/tag-summary-over-per-decision-listing.md) — Session-context injects tag counts and query hint instead of listing individual decisions
+
+## Search
+- [incremental-sync-over-full-rebuild](.claude/decisions/incremental-sync-over-full-rebuild.md) — FTS5 index uses incremental sync with per-file mtime instead of full rebuild on every change
+- [search-skill-prefer-preseeded](.claude/decisions/search-skill-prefer-preseeded.md) — Search skill presents pre-seeded hook results first, falls back to Glob/Grep only if needed
+
+## Skills
+- [merge-tags-stats-into-list](.claude/decisions/merge-tags-stats-into-list.md) — Consolidated /decision:tags and /decision:stats into /decision:list as --tags and --stats flags
+
+## Superpowers
+- [superpowers-design-first](.claude/decisions/superpowers-design-first.md) — Always brainstorm and validate design before writing any code
+- [superpowers-detailed-plans](.claude/decisions/superpowers-detailed-plans.md) — Implementation plans must be complete with zero placeholders
+- [superpowers-git-worktrees](.claude/decisions/superpowers-git-worktrees.md) — Use git worktrees for feature branch isolation with verified baselines
+- [superpowers-spec-before-quality](.claude/decisions/superpowers-spec-before-quality.md) — Review spec compliance before code quality — wrong code polished is waste
+- [superpowers-subagent-development](.claude/decisions/superpowers-subagent-development.md) — Fresh subagent per task with two-stage review (spec then quality)
+- [superpowers-systematic-debugging](.claude/decisions/superpowers-systematic-debugging.md) — Root cause investigation before any fixes — no random changes
+- [superpowers-tdd](.claude/decisions/superpowers-tdd.md) — No production code without a failing test first (RED-GREEN-REFACTOR)
+- [superpowers-verify-before-complete](.claude/decisions/superpowers-verify-before-complete.md) — No completion claims without fresh verification evidence
+
+## Versioning
+- [semver-versioning](.claude/decisions/semver-versioning.md) — Use semantic versioning (semver) for all releases

CHANGELOG.md

@@ -2,6 +2,11 @@
 
 All notable changes to this project will be documented in this file.
 
+## Unreleased
+
+### Removed
+- **Superpowers autoseeding** — the SessionStart hook no longer creates 8 `superpowers-*.md` decision files when the Superpowers plugin is detected. Manufactured decisions conflict with the zero-config, user-authored philosophy. Spec/plan extraction from `docs/superpowers/` files is unchanged.
+
 ## 1.3.0 — 2026-04-13
 
 ### Features

README.md

@@ -97,9 +97,7 @@ See the [Guide](GUIDE.md) for all commands, `affects` matching rules, team adopt
 
 ## Superpowers integration
 
-If you use [Superpowers](https://github.com/obra/superpowers), Code Decisions detects it automatically and does two things:
-
-**Seeds methodology decisions.** On first session, the plugin creates 8 decision files documenting the Superpowers methodology — TDD, design-before-code, systematic debugging, subagent-driven development, and more. These are searchable, tagged `superpowers`, and committed to git so your whole team inherits them.
+If you use [Superpowers](https://github.com/obra/superpowers), Code Decisions detects it automatically and extracts decisions from your design specs and implementation plans.
 
 **Extracts decisions from specs and plans.** When Superpowers writes a design spec (`docs/superpowers/specs/`) or implementation plan (`docs/superpowers/plans/`), Code Decisions scans the content for trade-offs and approach choices. On the first implementation edit, it nudges the agent to capture those choices as decisions — so they surface automatically when teammates edit the affected files later.
 

src/decision/policy/session_init.py

@@ -47,16 +47,6 @@ def _session_init_condition(data: dict[str, Any], state: SessionState) -> Policy
     store = state.get_store()
     store.ensure_dir()
 
-    # Seed decisions from detected plugins (idempotent, fast)
-    try:
-        from ..seeds import get_registry
-
-        seeded = get_registry().seed_decisions(store)
-        if seeded:
-            print(f"  ◆ seeded {seeded} decisions from superpowers methodology", file=sys.stderr)
-    except Exception as exc:
-        print(f"decision: seed error: {exc}", file=sys.stderr)
-
     # Rebuild rules index if decision files changed outside Claude Code
     _rebuild_index_if_stale(state)