[plan] Unify Projects edit UI code to single

Task 12449 · Done · Plan · created · updated

_Automatically composed from the parent epic at dispatch time._

Outcome

Split on the Architecture's C1–C7 component boundaries into 7 coder children across 4 waves: Foundation (idempotency, relay v2, edit pages) → Core (net/ choke point) → Extensions (stragglers/live, streams/URLs) → Enforcement (gate). Quality checks tightened per child. Memory: none applied.

Artifacts

Activity

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