v0.9.104 — Reliable session uploads and production migration recovery

• Session uploads no longer fail at the generic 15-second proxy cutoff.\n- Failed sends preserve and restore the full prompt and attachments.\n- Legacy personal connector credentials migrate safely into member-owned profiles.\n- Restores missing runtime-context and executor-profile schema.

What's Changed

• chore(release): VERSION → 0.9.104 [skip ci] by @github-actions[bot] in #4479
• chore(dev-eks): deploy gateway dev-0fc33d40 [skip ci] by @github-actions[bot] in #4480
• chore(dev-eks): deploy dev-0fc33d40 [skip ci] by @github-actions[bot] in #4481
• fix(web,api): stop transient runtime-not-ready throw from crashing every session switch + harden review inbox by @markokraemer in #4483
• feat(maintenance): admin bypass + auto rollout banner in CI/CD by @markokraemer in #4484

Full Changelog: v0.9.103...v0.9.104