docs: mark phase 6 complete in roadmap + parity

FEATURE_PARITY.md

@@ -2,7 +2,7 @@
 
 ## vs Discord, Guilded (historical), TeamSpeak 6, Fluxer
 
-Compiled 2026-06-30. Updated through Phase 5 completion.
+Compiled 2026-06-30. Updated through Phase 6 completion.
 
 ---
 
@@ -45,15 +45,15 @@ Compiled 2026-06-30. Updated through Phase 5 completion.
 | Feature | dumpsterChat | Discord | Guilded | TeamSpeak 6 | Fluxer |
 |---------|:------------:|:-------:|:-------:|:-----------:|:------:|
 | Voice channels | ✅ LiveKit | ✅ | ✅ | ✅ | ✅ LiveKit |
-| Video calls | ❌ | ✅ | ✅ | ✅ | ✅ |
+| Video calls | ✅ LiveKit | ✅ | ✅ | ✅ | ✅ |
 | Screen share | ❌ | ✅ | ✅ | ✅ beta | 🔄 canary |
-| Noise suppression | ❌ | ✅ Krisp | ✅ | ❌ | ✅ DeepFilterNet3 |
+| Noise suppression | ✅ RNNoise | ✅ Krisp | ✅ | ❌ | ✅ DeepFilterNet3 |
 | Push-to-talk | ❌ | ✅ | ✅ | ✅ | ✅ |
 | Voice activity | ✅ | ✅ | ✅ | ✅ | ✅ |
 | Go live / streaming | ❌ | ✅ | ✅ | ❌ | 🔄 |
 | Stage channels | ❌ | ✅ | ❌ | ❌ | ❌ |
 | E2EE voice/video | ❌ | ✅ | ❌ | ❌ | 🔄 |
-| Whisper / poke | ❌ | ❌ | ✅ | ✅ | ❌ |
+| Whisper / poke | ✅ | ❌ | ✅ | ✅ | ❌ |
 
 ---
 
@@ -232,12 +232,11 @@ Compiled 2026-06-30. Updated through Phase 5 completion.
 ### High-value next features
 
 1. **Screen share** — LiveKit supports it; mostly frontend work
-2. **Video calls** — LiveKit supports it; mostly frontend work
-3. **Custom emoji / reactions beyond unicode** — core Discord behavior
-4. **Server groups (sub-servers)** — channel organization
-5. **Do Not Disturb schedule** — notification control
-6. **Third-party integrations** — Twitch, YouTube, GitHub
-7. **Stage channels** — presentation-style voice
+2. **Custom emoji / reactions beyond unicode** — core Discord behavior
+3. **Server groups (sub-servers)** — channel organization
+4. **Do Not Disturb schedule** — notification control
+5. **Third-party integrations** — Twitch, YouTube, GitHub
+6. **Stage channels** — presentation-style voice
 
 ### Nice-to-have differentiators