Restore patch_runtime.py from c93b544

Delete restore_runner.py, patch_runtime.py, patch_extra.py, app_entry.py, app_clean.py, wc2026_scraper.py, ai_ext.py, ai_fix2.py, ai_patch.py, app_v2_entry.py, Dockerfile, .gitattributes

Add frontend safeJson injection for robust AI post creation

Add runtime patch for stable JSON url_wall/topic_post endpoints