Synchronize Phase 64 closeout documentation

[hotzenplotz5]

Summary

Synchronizes the canonical project documentation after the completed Phase 64 merge and updates the documentation/phase guards that still encoded the historical PR-#190 planning hold as current truth.

What changed

• records Phase 64 as the latest completed numbered runtime phase
• records Phase 65 as next, but explicitly not started or automatically authorized
• adds a dedicated Phase 64 final closeout with exact accepted candidate, CI and real yaVDR acceptance evidence
• updates CURRENT, New Chat Handoff, Strict Roadmap, Phase Map, current status and architecture status
• updates completed-phase markers and documentation navigation
• retires stale guard requirements for PR Add disabled SuiteBridge Timer delete transport #190 / “Phase 64 not complete”
• retains early Phase-64 Slice 1-3 strings as explicitly historical traceability anchors so their original contracts remain guarded without becoming current status

Phase 64 completion evidence recorded

• accepted final candidate: bdd70d527d640dc115a7c141e505140ce8cdba9a
• VDR-Suite CI #7689 / run 32023780598: PASS
• PHASE_64_MANAGED_TIMER_FULFILLMENT_ACCEPTANCE=PASS
• PHASE_64_REASSIGNMENT_FAILOVER_ACCEPTANCE=PASS
• PR Phase 64: complete timer reassignment and failover #195 merge commit: 72e298a76f7879ea7fc58f6a502e32eca7399f5a

Scope boundary

Documentation and documentation/phase contract guards only. No daemon, Agent, SuiteBridge, Timer runtime or Phase 65 runtime implementation is changed or authorized by this PR.

Validation

• branch is a fast-forward-only documentation closeout line from the Phase-64 merge commit
• runtime source is untouched
• GitHub CI validates documentation, phase and architecture guards on the final head