docs(02-01): complete daemon vmuxd plan

- SUMMARY.md with protocol types, registry, labels, socket server
- STATE.md updated: plan 3/3, decisions, metrics
- ROADMAP.md updated: phase 02 progress
- REQUIREMENTS.md: DISC-04, STATE-04 complete

.planning/STATE.md

@@ -2,14 +2,14 @@
 gsd_state_version: 1.0
 milestone: v1.0
 milestone_name: milestone
-status: Ready to plan
-stopped_at: Phase 2 context gathered
-last_updated: "2026-03-23T14:22:11.460Z"
+status: Ready to execute
+stopped_at: Completed 02-02-PLAN.md
+last_updated: "2026-03-23T16:47:11.294Z"
 progress:
   total_phases: 4
   completed_phases: 1
-  total_plans: 2
-  completed_plans: 2
+  total_plans: 5
+  completed_plans: 4
 ---
 
 # Project State
@@ -19,12 +19,12 @@ progress:
 See: .planning/PROJECT.md (updated 2026-03-23)
 
 **Core value:** Savoir instantanement quelle session Claude Code a besoin de moi, sans scanner manuellement mes workspaces.
-**Current focus:** Phase 01 — session-discovery
+**Current focus:** Phase 02 — daemon-et-i3-bridge
 
 ## Current Position
 
-Phase: 2
-Plan: Not started
+Phase: 02 (daemon-et-i3-bridge) — EXECUTING
+Plan: 3 of 3
 
 ## Performance Metrics
 
@@ -48,6 +48,8 @@ Plan: Not started
 *Updated after each plan completion*
 | Phase 01 P01 | 2min | 2 tasks | 5 files |
 | Phase 01 P02 | 4min | 2 tasks | 8 files |
+| Phase 02 P01 | 5min | 2 tasks | 5 files |
+| Phase 02 P02 | 4min | 2 tasks | 7 files |
 
 ## Accumulated Context
 
@@ -60,6 +62,11 @@ Recent decisions affecting current work:
 - Roadmap: 4 phases derives des 4 categories de requirements
 - [Phase 01]: procDir injectable pour testabilite (pas de /proc en dur)
 - [Phase 01]: IdleThreshold = 60s (constante, configurable plus tard)
+- [Phase 02]: WaitingSince gere par transition dans le registre, pas par le caller
+- [Phase 02]: Scan initial synchrone avant socket listen (evite reponses vides)
+- [Phase 02]: X11PIDResolver interface pour abstraire ewmh et tester sans X11
+- [Phase 02]: maxPPIDDepth=20 pour securiser la remontee de chaine PPID
+- [Phase 02]: Priorite fuzzy match : label > branche > cwd
 
 ### Pending Todos
 
@@ -71,6 +78,6 @@ None yet.
 
 ## Session Continuity
 
-Last session: 2026-03-23T14:22:11.457Z
-Stopped at: Phase 2 context gathered
-Resume file: .planning/phases/02-daemon-et-i3-bridge/02-CONTEXT.md
+Last session: 2026-03-23T16:47:11.291Z
+Stopped at: Completed 02-02-PLAN.md
+Resume file: None