feat(framework): superpowers enforcement, typecheck hook, file-ownership rules (#451)

Co-authored-by: Jason Woltje <jason@diversecanvas.com>
Co-committed-by: Jason Woltje <jason@diversecanvas.com>

packages/mosaic/framework/runtime/claude/RUNTIME.md

@@ -102,3 +102,30 @@ claude mcp add --scope user <name> -- npx -y <package>
 `--scope local` = default, local-only (not committed).
 
 Do NOT add `mcpServers` to `~/.claude/settings.json` — that key is ignored for MCP loading.
+
+## Required Claude Code Settings (Enforced by Launcher)
+
+The `mosaic claude` launcher validates that `~/.claude/settings.json` contains the required Mosaic configuration. Missing or outdated settings trigger a warning at launch.
+
+**Required hooks:**
+
+| Event       | Matcher                  | Script                    | Purpose                                        |
+| ----------- | ------------------------ | ------------------------- | ---------------------------------------------- |
+| PreToolUse  | `Write\|Edit\|MultiEdit` | `prevent-memory-write.sh` | Block writes to `~/.claude/projects/*/memory/` |
+| PostToolUse | `Edit\|MultiEdit\|Write` | `qa-hook-stdin.sh`        | QA report generation after code edits          |
+| PostToolUse | `Edit\|MultiEdit\|Write` | `typecheck-hook.sh`       | Inline TypeScript type checking                |
+
+**Required plugins:**
+
+| Plugin              | Purpose                                                                                                  |
+| ------------------- | -------------------------------------------------------------------------------------------------------- |
+| `feature-dev`       | Subagent architecture: code-reviewer, code-architect, code-explorer                                      |
+| `pr-review-toolkit` | PR review: code-simplifier, comment-analyzer, test-analyzer, silent-failure-hunter, type-design-analyzer |
+| `code-review`       | Standalone code review capabilities                                                                      |
+
+**Required settings:**
+
+- `enableAllMcpTools: true` — Allow all configured MCP tools without per-tool approval
+- `model: "opus"` — Default to opus for orchestrator-level sessions (workers use tiered models via Task tool)
+
+If `mosaic claude` detects missing hooks or plugins, it will print a warning with the exact settings to add. The session will still launch — enforcement is advisory, not blocking — but agents operating without these settings are running degraded.