git flow, infra descriptions, cast flow changes (mobile side)

docs/ROADMAP.md

@@ -66,7 +66,17 @@ All **off by default**. Enable only in **Developer settings** for internal testi
 | AdMob / unit IDs / banner layouts in main UI | TODO |
 | Play Console products + privacy policy | TODO |
 
-See [COMMERCIAL.md](COMMERCIAL.md).
+See [COMMERCIAL.md](COMMERCIAL.md). Pro/OSS module split: [PRO_AAR.md](PRO_AAR.md) (design).
+
+---
+
+## Crash console open API
+
+| Item | Status |
+|------|--------|
+| `ingest.source` / run metadata in payload | Design — [OPEN_API.md](OPEN_API.md) |
+| List filters + synthetic tagging | TODO |
+| API key upload auth (per company) | TODO |
 
 ---
 
@@ -126,6 +136,8 @@ See [ndk/README.md](../ndk/README.md).
 | Multi-receiver 1:N | Done (soak or gate for alpha) |
 | Legacy `ReceiverActivity` in manifest | Orphan — remove or wire |
 | Immersive A/V presets (dev) | Experimental |
+| Sender resolution UI modes (dev: Separated / Legacy / Combined) | Done (test) |
+| True dual-stream encode (480p + 720p simultaneous) | Deferred |
 
 ---
 
@@ -142,8 +154,11 @@ See [ndk/README.md](../ndk/README.md).
 
 ## Related docs
 
+- [GIT_FLOW.md](GIT_FLOW.md) — green `master` / `next` development cycle ([PDF](GIT_FLOW.pdf))
 - [README.md](../README.md) — quick start
 - [USB_HDMI_CAST.md](USB_HDMI_CAST.md) — D & E
 - [COMMERCIAL.md](COMMERCIAL.md) — ads / IAP / Play
+- [PRO_AAR.md](PRO_AAR.md) — cast-core / cast-pro entitlements
+- [OPEN_API.md](OPEN_API.md) — crash ingest triage API
 - [OTA.md](OTA.md) — backend layout v0
 - [CRASH_REPORTER.md](CRASH_REPORTER.md) — crash upload