feat(governance): add CTO autonomy mandate, TBC session 2 minutes, and high-autonomy launcher

- CTO-AUTONOMY.md: CEO-authorized autonomy governance — defines act-freely scope and hard stops
- scripts/start-cto.sh: updated to launch with --dangerously-skip-permissions for full autonomy
- TBC/minutes/TBC-MIN-002-2026-04-07.md: session 2 opening minutes

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

scripts/start-cto.sh

@@ -41,6 +41,7 @@ if [ ! -f "$CTO_WORKSPACE/CLAUDE.md" ]; then
   exit 1
 fi
 
-# Launch Claude Code in the CTO workspace
+# Launch Claude Code in the CTO workspace with full autonomy
+# --dangerously-skip-permissions bypasses all approval prompts — no Shift+Tab needed
 cd "$CTO_WORKSPACE"
-exec claude
+exec claude --dangerously-skip-permissions