a11y: WHEP receiver <video> missing <track kind="captions"> (React a11y warning)

[yakimoto]

Follow-up from #49. `src/renderer/views/Receivers.tsx` (~L120) renders a `

Action: add a `` (empty/placeholder is acceptable for a live-media surface with no caption source, silences the warning and leaves the hook for real captions later). Minor.

🤖 Generated with Claude Code

[coderabbitai]

🔗 Related PRs

#49 - feat(session): WHEP playback + session telemetry & teardown (#74.d, #74.c) [open]

---

📝 Issue Planner

_{Check the box below or use the @coderabbitai plan command to generate an implementation plan and prompts that you can use with your favorite coding assistant.}

• Create Plan

---

🧪 Issue enrichment is currently in open beta.

You can configure auto-planning by selecting labels in the issue_enrichment configuration.

To disable automatic issue enrichment, add the following to your .coderabbit.yaml:

issue_enrichment:
  auto_enrich:
    enabled: false

💬 Have feedback or questions? Drop into our discord!