Migrate all repos into monorepo context folders

Bahn: aisupport, Analyse-O2C-C2S, awesome-bahn-mcp-servers, beam-mcp,
      Confluence_Bot, db-planet-mcp-server, O2C-Harness, project-audit,
      Projekt-KIQ-HP, teamlandkarte-mcp
Dhive: Jury-Voting
Privat: CV, NoteGraph (NOTE: NoteGraph needs complete redo after consolidation)
Shared: AI-Orchestrator, OrgMyLife, power_skills_and_more
Shared/references: symphony (read-only)

Bahn repos remain available as independent remotes - this monorepo
pulls them in via subtree, the originals are untouched.

bahn/project-audit/retro/README.md

@@ -0,0 +1,16 @@
+# Mini-Retros
+
+Woechentliche Reflexion ueber unsere Zusammenarbeit.
+
+## Format
+
+Pro Woche eine Datei: `YYYY-KWxx.md`
+
+### Inhalt
+1. **Was lief gut?** — Effiziente Arbeitsschritte, gute Ergebnisse
+2. **Was war ineffizient?** — Zeitfresser, Wiederholungen, Missverstaendnisse
+3. **Was aendern wir?** — Konkrete Anpassungen an Pipeline, Skills, Tooling
+
+## Bisherige Retros
+
+(noch keine)