ChannelTalk Clone Integration Checkpoint

A/B/C/D integrated. Local clone baseline commit: 91899d8 (Integrate API-driven inbox and ALF surfaces).

Verification: npm run lint pass, npm run build pass.

Next sessions should read:

• /home/tlswk/projects/re-center/channel-talk/pm/INTEGRATION_CHECKPOINT_20260706_CD.md
• /home/tlswk/projects/re-center/channel-talk/pm/SESSION_PROMPTS.md

Run E/F sequentially in the same worktree, or use separate worktrees with strict file ownership.