Merge origin/main into crucible-audit-plan

Author: githubrobbi

.gitignore

@@ -163,3 +163,11 @@ bundles/
 
 # Profile data (temporary, not for git)
 docs/profiles/
+
+# Local intent/spec files (not tracked)
+INTENT_PROMPT.md
+INTENT_PROMPT_V2.md
+INTENT_SPEC_FAANG_CORE_INFRA.md
+FORGE_FOLLOWUP.md
+ANVIL_FOLLOWUP.md
+CRUCIBLE_FOLLOWUP.md