docs: start milestone v1.2 Extended Protocol Coverage

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.planning/STATE.md

@@ -1,9 +1,9 @@
 ---
 gsd_state_version: 1.0
-milestone: v1.1
-milestone_name: Custom Sound Mappings
-status: milestone_complete
-stopped_at: v1.1 milestone shipped
+milestone: v1.2
+milestone_name: Extended Protocol Coverage
+status: defining_requirements
+stopped_at: Milestone v1.2 started
 last_updated: "2026-03-26T21:02:36.710Z"
 last_activity: 2026-03-26
 progress:
@@ -21,13 +21,14 @@ progress:
 See: .planning/PROJECT.md (updated 2026-03-26)
 
 **Core value:** Network traffic patterns are instantly recognizable as distinct sounds — a ping sounds different from HTTPS noise, which sounds different from a port scan.
-**Current focus:** Planning next milestone
+**Current focus:** Defining requirements for v1.2
 
 ## Current Position
 
-Phase: All v1.1 phases complete
-Plan: N/A
-Status: Milestone v1.1 shipped — ready for next milestone
+Phase: Not started (defining requirements)
+Plan: —
+Status: Defining requirements
+Last activity: 2026-03-27 — Milestone v1.2 started
 Last activity: 2026-03-26
 
 Progress: [░░░░░░░░░░] 0%