docs(timeline): update schedule adherence Day 99 (2026-04-09) cycle-6

- Align epic-level and detailed Gantt completion percentages with Day 99 data
- Update risk register, legend, and schedule adherence tables for Session 4 scope expansion
- Refresh footer, today markers, and narrative metrics to match latest counts

ISSUES CLOSED: #6842

docs/timeline.md

@@ -230,7 +230,7 @@ ganttDiagram {
 
 [Decisions + Validations M3 (#357)] as [M3] on {Luis} {Hamza} {Brent} {Jeff} requires 4 days
 [M3] starts at [M2]'s end
-[M3] is 65% completed
+[M3] is 47% completed
 [M3] is colored in LightSkyBlue/SteelBlue
 
 ' ── v3.3.0 MILESTONE ─────────────────────────────────────────
@@ -251,13 +251,13 @@ ganttDiagram {
 
 [Corrections + Checkpoints M4 (#358)] as [M4] on {Luis} {Jeff} {Brent} {Hamza} requires 3 days
 [M4] starts at [M3]'s end
-[M4] is 60% completed
+[M4] is 50% completed
 [M4] is colored in LightSkyBlue/SteelBlue
 
 
 [Security + Safety Hardening (#362)] as [SEC] on {Luis} requires 3 days
 [SEC] starts 2026-03-02
-[SEC] is 80% completed
+[SEC] is 28% completed
 [SEC] is colored in LightSkyBlue/SteelBlue
 
 [Provider Fixes + Runtime (#363)] as [PROV] on {Luis} requires 2 days
@@ -282,12 +282,12 @@ ganttDiagram {
 
 [ACMS v1 + Context Scaling M5 (#359)] as [M5] on {Hamza} {Jeff} {Aditya} {Brent} requires 4 days
 [M5] starts at [M4]'s end
-[M5] is 68% completed
+[M5] is 57% completed
 [M5] is colored in LightSkyBlue/SteelBlue
 
 [Autonomy Hardening + Stubs M6 (#360)] as [M6] on {Luis} {Jeff} {Hamza} {Brent} requires 5 days
 [M6] starts at [M5]'s end
-[M6] is 55% completed
+[M6] is 19% completed
 [M6] is colored in LightSkyBlue/SteelBlue
 
 
@@ -298,7 +298,7 @@ ganttDiagram {
 
 [Large Project Autonomy (#369)] as [LARGE] on {Luis} {Brent} {Jeff} requires 4 days
 [LARGE] starts 2026-03-17
-[LARGE] is 43% completed
+[LARGE] is 39% completed
 [LARGE] is colored in LightSkyBlue/SteelBlue
 
 ' ── v3.5.0 MILESTONE ─────────────────────────────────────────
@@ -1184,7 +1184,7 @@ ganttDiagram {
 ' --- Decisions + Validations + Invariants (M3) (#357) ---
 [Decisions + Validations + Invariants (M3) (#357)] as [M3] on {Brent} {Hamza} {Jeff} {Luis} requires 4 days
 [M3] starts at [M2]'s end
-[M3] is 75% completed
+[M3] is 47% completed
 [M3] is colored in CornflowerBlue/MediumBlue
 
 [feat(decision): add decision domain and context... (#170)] as [I170] on {Hamza} lasts 1 day
@@ -1240,7 +1240,7 @@ ganttDiagram {
 ' --- Corrections + Subplans + Checkpoints (M4) (#358) ---
 [Corrections + Subplans + Checkpoints (M4) (#358)] as [M4] on {Brent} {Hamza} {Jeff} {Luis} requires 3 days
 [M4] starts at [M3]'s end
-[M4] is 78% completed
+[M4] is 50% completed
 [M4] is colored in CornflowerBlue/MediumBlue
 
 [feat(correction): add correction model and CLI ... (#181)] as [I181] on {Jeff} lasts 1 day
@@ -1275,7 +1275,7 @@ ganttDiagram {
 ' --- Security & Safety Hardening (#362) ---
 [Security & Safety Hardening (#362)] as [SEC] on {Luis} requires 3 days
 [SEC] starts 2026-03-02
-[SEC] is 80% completed
+[SEC] is 28% completed
 [SEC] is colored in CornflowerBlue/MediumBlue
 
 [fix(security): remove eval-based config parsing (#318)] as [I318] on {Luis} lasts 1 day
@@ -1322,7 +1322,7 @@ ganttDiagram {
 ' --- ACMS v1 + Context Scaling (M5) (#359) ---
 [ACMS v1 + Context Scaling (M5) (#359)] as [M5] on {Aditya} {Brent} {Hamza} {Jeff} requires 4 days
 [M5] starts at [M4]'s end
-[M5] is 87% completed
+[M5] is 57% completed
 [M5] is colored in CornflowerBlue/MediumBlue
 
 [feat(acms): add ACMS v1 context pipeline (#188)] as [I188] on {Hamza} lasts 1 day
@@ -1381,7 +1381,7 @@ ganttDiagram {
 ' --- Autonomy Hardening + Server Stubs (M6) (#360) ---
 [Autonomy Hardening + Server Stubs (M6) (#360)] as [M6] on {Brent} {Hamza} {Jeff} {Luis} requires 5 days
 [M6] starts at [M5]'s end
-[M6] is 71% completed
+[M6] is 19% completed
 [M6] is colored in CornflowerBlue/MediumBlue
 
 [feat(interfaces): add server client stubs (#201)] as [I201] on {Luis} lasts 1 day
@@ -1455,7 +1455,7 @@ ganttDiagram {
 ' --- Large Project Autonomy & Context (#369) ---
 [Large Project Autonomy & Context (#369)] as [LARGE] on {Brent} {Jeff} {Luis} requires 4 days
 [LARGE] starts 2026-03-17
-[LARGE] is 76% completed
+[LARGE] is 39% completed
 [LARGE] is colored in CornflowerBlue/MediumBlue
 
 [feat(cli): add output rendering framework with ... (#311)] as [I311] on {Jeff} lasts 1 day