diff --git a/docs/timeline.md b/docs/timeline.md
index 963b1cd39..f2271b55f 100644
--- a/docs/timeline.md
+++ b/docs/timeline.md
@@ -10,26 +10,26 @@ The following chart shows all 29 epics across 9 legendary workstreams, 7 milesto
 @startgantt
 
 title CleverAgents Core — Epic-Level Project Schedule
-footer Generated 2026-04-10 | 29 Epics | 9 Legendaries | 7 Milestones | 6 Developers | ~1650 SP | ~25 open bugs | 225 open PRs | Session 4 active
+footer Generated 2026-04-12 | 29 Epics | 9 Legendaries | 7 Milestones | 6 Developers | ~1650 SP | ~25+ open bugs | 241 open PRs | Session 4 active
 
 Project starts 2026-02-03
 saturday are closed
 sunday are closed
 printscale weekly zoom 2
 
-today is 2026-04-10
+today is 2026-04-12
 today is colored in #FF6666
 
 ' ================================================================
-'  GANTT CHART UPDATE LOG (Day 100 — 2026-04-10)
-'  Changes: Day 100 refresh (cycle 2). Session 4 active (issue #4799, 32 workers).
-'  Open PRs: 221→225 (new PRs opened by agents). Open bugs: ~25 (Type/Bug label).
-'  M3 32% (249/770, scope expanded!), M4 49% (108/220), M5 43% (133/313),
-'  M6 18% (197/1085, scope massively expanded!), M7 38% (150/400),
-'  M8 45% (425/944), M9 28% (131/475).
-'  Massive scope expansion across all milestones since Day 98.
-'  pr-merge-pool-supervisor added as 17th supervisor. PR review reduced to 1 approval.
-'  git worktree sandbox merged. ACMS indexing pipeline wired.
+'  GANTT CHART UPDATE LOG (Day 102 — 2026-04-12)
+'  Changes: Day 102 refresh (Cycle 1). Session 4 active. UAT pool supervisor started fresh.
+'  Open PRs: 225→241 (+16 new PRs). Open bugs: ~25+ (Type/Bug label, UAT wave active).
+'  M3 31% (257/838, scope expanded 770→838), M4 47% (108/230),
+'  M5 40% (137/340), M6 17% (201/1178, scope expanded 1085→1178),
+'  M7 35% (152/432), M8 45% (427/953), M9 27% (132/486).
+'  Continued scope expansion across all milestones. UAT pool supervisor cycle 1 active.
+'  PR #7701 open: docs(spec): add v3.8.0 Server Implementation milestone plan.
+'  Architecture guard filing bugs (e.g. #7464 CLI→domain layer violation).
 ' ================================================================
 
 <style>
@@ -445,7 +445,7 @@ saturday are closed
 sunday are closed
 printscale weekly zoom 2
 
-today is 2026-04-10
+today is 2026-04-12
 today is colored in #FF6666
 
 <style>
@@ -1966,13 +1966,13 @@ This section provides a high-level overview of the CleverAgents implementation r
 
 ### Current Status Summary
 
-As of Day 100 (2026-04-10), the project has **225 open PRs** and **~2777 open issues** across active milestones. **Session 4 is active (launched 2026-04-08, issue #4799) with 32 parallel workers and full supervisor fleet**. Bug count is **~25 open bugs** (Type/Bug label; UAT issues tracked separately). M8 (v3.7.0) is now **45% complete** (425/944 issues closed). M3 (v3.2.0) at **32%** (249/770 — scope massively expanded), M4 (v3.3.0) at **49%** (108/220), M5 (v3.4.0) at **43%** (133/313), M6 (v3.5.0) at **18%** (197/1085 — scope massively expanded), M7 (v3.6.0) at **38%** (150/400).
+As of Day 102 (2026-04-12), the project has **241 open PRs** and **~4458 open issues** across active milestones. **Session 4 is active (launched 2026-04-08, issue #4799) with 32 parallel workers and full supervisor fleet**. Bug count is **~25+ open bugs** (Type/Bug label; UAT issues tracked separately). M8 (v3.7.0) is now **45% complete** (427/953 issues closed). M3 (v3.2.0) at **31%** (257/838 — scope expanded 770→838), M4 (v3.3.0) at **47%** (108/230), M5 (v3.4.0) at **40%** (137/340), M6 (v3.5.0) at **17%** (201/1178 — scope expanded 1085→1178), M7 (v3.6.0) at **35%** (152/432).
 
-**M1, M2 fully complete. M3 (v3.2.0)**: 33% complete (248/757), 509 open issues — scope expanded massively. **M4 (v3.3.0)**: 49% complete (108/220), 112 open issues. **M5 (v3.4.0)**: 44% complete (133/301), 168 open issues. **M6 (v3.5.0)**: 18% complete (197/1065), 868 open issues — scope expanded massively. **M7 (v3.6.0)**: 38% complete (150/392), 242 open issues. **M8 (v3.7.0)**: 45% complete (423/938), 515 open issues. All milestones M3-M7 are **overdue**; M8 is in active v3.7.0 development.
+**M1, M2 fully complete. M3 (v3.2.0)**: 31% complete (257/838), 581 open issues — scope expanded massively. **M4 (v3.3.0)**: 47% complete (108/230), 122 open issues. **M5 (v3.4.0)**: 40% complete (137/340), 203 open issues. **M6 (v3.5.0)**: 17% complete (201/1178), 977 open issues — scope expanded massively. **M7 (v3.6.0)**: 35% complete (152/432), 280 open issues. **M8 (v3.7.0)**: 45% complete (427/953), 526 open issues. All milestones M3-M7 are **overdue**; M8 is in active v3.7.0 development.
 
-!!! warning "Schedule Risk: All Milestones M3-M7 Overdue — Massive Scope Expansion — Session 4 Active (Day 100: 219 Open PRs, M3/M6 Scope Exploded)"
+!!! warning "Schedule Risk: All Milestones M3-M7 Overdue — Massive Scope Expansion — Session 4 Active (Day 102: 241 Open PRs, M3/M6 Scope Exploded)"
 
-    All milestones M3 through M7 have passed their target dates. **Session 4 active (launched 2026-04-08, issue #4799) with 32 parallel workers**. Open PRs at **219** (up from 1 — agents opened many new PRs). Open bugs at **~5** (Type/Bug label). Session tracker issue: #4799. **Current priorities**: (1) **M3 scope explosion** — 509 open issues (was 85 at Day 98); scope grew from 320 to 757 total. (2) **M6 scope explosion** — 868 open issues (was 450 at Day 98); scope grew from 638 to 1065 total. (3) **Merge 219 open PRs** — pr-merge-pool-supervisor added as 17th supervisor. (4) **Continue M8 push** — 45% complete, 515 issues remaining. (5) **Clear M4/M5 backlogs** — M4 at 49% (112 open), M5 at 44% (168 open).
+    All milestones M3 through M7 have passed their target dates. **Session 4 active (launched 2026-04-08, issue #4799) with 32 parallel workers**. Open PRs at **241** (up from 225 — agents opened 16 new PRs). Open bugs at **~25+** (Type/Bug label; UAT pool supervisor cycle 1 active). Session tracker issue: #4799. **Current priorities**: (1) **M3 scope explosion** — 581 open issues (scope grew from 770 to 838 total). (2) **M6 scope explosion** — 977 open issues (scope grew from 1085 to 1178 total). (3) **Merge 241 open PRs** — pr-merge-pool-supervisor active. (4) **Continue M8 push** — 45% complete, 526 issues remaining. (5) **Clear M4/M5 backlogs** — M4 at 47% (122 open), M5 at 40% (203 open). (6) **Architecture guard active** — filing CLI→domain layer violations (e.g. #7464). (7) **PR #7701 open** — docs(spec): add v3.8.0 Server Implementation milestone plan.
 
 ### Parallel Workstreams
 
@@ -5316,3 +5316,96 @@ Story points per developer per milestone.
 | M9 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | ~TBD SP |
 | M6+ | N/A | N/A | N/A | N/A | N/A | N/A | N/A | ~TBD SP |
 | **Total** | N/A | N/A | N/A | N/A | N/A | N/A | N/A | ~1649 SP |
+
+### 2026-04-12 (Day 102)
+
+**Summary**
+
+Status: Behind 25+d
+Deadline risk: CRITICAL
+
+**Notes**
+
+- Day 102 update (2026-04-12, Cycle 1). Session 4 active (issue #4799, 32 parallel workers, full supervisor fleet). Open PRs: 225→241 (+16 new PRs opened by agents). Open bugs (Type/Bug label): ~25+ (UAT pool supervisor cycle 1 active, fresh session started).
+- Milestone progress since Day 100: M3 32%→31% (257/838, scope grew 770→838 +68 new issues), M4 49%→47% (108/230, scope grew 220→230 +10 new issues), M5 43%→40% (137/340, scope grew 313→340 +27 new issues), M6 18%→17% (201/1178, scope grew 1085→1178 +93 new issues), M7 38%→35% (152/432, scope grew 400→432 +32 new issues), M8 45%→45% (427/953, scope grew 944→953 +9 new issues), M9 28%→27% (132/486, scope grew 475→486 +11 new issues).
+- Scope expansion continues to outpace closures across all milestones — completion percentages declining despite ongoing work.
+- PR #7701 open: docs(spec): add v3.8.0 Server Implementation milestone plan and update status table (opened 2026-04-11 by HAL9000).
+- Architecture guard active: filing CLI→domain layer violation bugs (e.g. #7464 — CLI layer directly accesses domain layer in project.py, Priority/Critical, M3).
+- UAT pool supervisor started fresh (issue #7711, cycle 1) — 22 feature areas identified, 8 parallel workers dispatching.
+- All milestones M3-M7 remain overdue. M8 and M9 have no deadlines and are in active development.
+- v3.9.0 milestone created with 9 open / 2 closed issues (documentation and feature updates).
+
+
+#### Milestone forecast
+
+| Milestone | Target -> ETA | Delta | Risk |
+|-----------|---------------|-------|------|
+| M1 (v3.0.0) | (2026-02-15) -> COMPLETE | 0d | COMPLETE |
+| M2 (v3.1.0) | (2026-02-22) -> COMPLETE | 0d | COMPLETE |
+| M3 (v3.2.0) | (2026-02-26) -> ETA 2026-06-20 | +115d | CRITICAL — 581 open issues; 31% complete (scope expanded 770→838) |
+| M4 (v3.3.0) | (2026-03-02) -> ETA 2026-05-25 | +84d | CRITICAL — 122 open issues; 47% complete |
+| M5 (v3.4.0) | (2026-03-06) -> ETA 2026-06-01 | +87d | HIGH — 203 open issues; 40% complete |
+| M6 (v3.5.0) | (2026-03-10) -> ETA 2026-08-15 | +158d | CRITICAL — 977 open issues; 17% complete (scope expanded 1085→1178) |
+| M7 (v3.6.0) | (2026-03-28) -> ETA 2026-06-25 | +89d | HIGH — 280 open issues; 35% complete |
+| M8 (v3.7.0) | (no deadline) -> ETA 2026-07-20 | N/A | HIGH — 526 open issues; 45% complete |
+| M9 (v3.8.0) | (no deadline) -> ETA 2026-08-01 | N/A | MEDIUM — 354 open issues; 27% complete |
+
+#### Track forecast
+
+| Track | Status | ETA | Risk | Blocking |
+|-------|--------|-----|------|----------|
+| Track A (Plan lifecycle + persistence) | Complete | Done | LOW | None |
+| Track B (Projects/resources + sandbox) | In Progress | ETA 2026-06-01 | HIGH | 203 open issues in v3.4.0; scope expanded +27 since Day 100 |
+| Track C (Actors/tools/skills/validations) | In Progress | ETA 2026-05-25 | CRITICAL | 122 open issues in v3.3.0; scope expanded +10 since Day 100 |
+| Track D (Change tracking + apply pipeline) | In Progress | ETA 2026-06-20 | CRITICAL | 581 open issues in v3.2.0; scope expanded +68 since Day 100; architecture guard violations |
+| Track Q (Quality automation) | Ongoing | N/A | HIGH | ~25+ open bugs (UAT pool supervisor cycle 1 active); 241 open PRs need merge |
+| Track T (Testing) | Active | Ongoing | HIGH | 241 open PRs need review; UAT pool supervisor fresh cycle; architecture guard active |
+
+#### Developer forecast
+
+| Name | Days Ahead/Behind | Availability | Risk | Focus |
+|------|-------------------|--------------|------|-------|
+| Jeff | -27d behind | active | HIGH | Session 4 supervisor; M3/M4/M5 backlog clearance; architecture oversight; PR merge pool |
+| Luis | -27d behind | active | HIGH | M6 (v3.5.0) features; security hardening; PR review pool |
+| Hamza | -27d behind | active | HIGH | Resource DAG; v3.6.0 features; AWS CloudResource; PR reviews |
+| Aditya | -27d behind | active | HIGH | M5 features; TDD counterparts; domain model work; UAT testing |
+| Brent | -27d behind | active | HIGH | Bug fixes; TDD counterparts; quality automation; PR triage; architecture guard violations |
+| Rui | -27d behind | active | HIGH | TUI features; UAT bug fixes; security bug-hunt; E2E testing |
+| Mike/Brian | N/A | standby | LOW | Infrastructure support |
+
+#### Task inventory
+
+Milestone per developer as of Day 102 (2026-04-12).
+
+| Milestone | Jeff | Aditya | Luis | Hamza | Brent | Rui | Unassigned | Total |
+|-----------|------|--------|------|-------|-------|-----|------------|-------|
+| M1 | 29/29 | 16/16 | N/A | 4/4 | 10/10 | N/A | 35/35 | 96/96 |
+| M2 | 26/26 | 14/14 | N/A | 1/1 | 5/5 | N/A | 6/6 | 56/56 |
+| M3 | N/A | N/A | N/A | N/A | N/A | N/A | 581 open | 257/838 |
+| M4 | N/A | N/A | N/A | N/A | N/A | N/A | 122 open | 108/230 |
+| M5 | N/A | N/A | N/A | N/A | N/A | N/A | 203 open | 137/340 |
+| M6 | N/A | N/A | N/A | N/A | N/A | N/A | 977 open | 201/1178 |
+| M7 | N/A | N/A | N/A | N/A | N/A | N/A | 280 open | 152/432 |
+| M8 | N/A | N/A | N/A | N/A | N/A | N/A | 526 open | 427/953 |
+| M9 | N/A | N/A | N/A | N/A | N/A | N/A | 354 open | 132/486 |
+| **Total** | **N/A** | **N/A** | **N/A** | **N/A** | **N/A** | **N/A** | **~3043 open** | **1570/4613 closed** |
+
+Note: "done/total" = closed/total for that milestone. Assignee data reflects Forgejo API as of Day 102 (2026-04-12). Most open issues are unassigned or assigned to freemo (Jeff). Agent-driven issue creation continues at high velocity. M3 grew from 770→838 (+68), M4 grew from 220→230 (+10), M5 grew from 313→340 (+27), M6 grew from 1085→1178 (+93), M7 grew from 400→432 (+32), M8 grew from 944→953 (+9), M9 grew from 475→486 (+11) since Day 100.
+
+#### Story point allocation
+
+Story points per developer per milestone.
+
+| Milestone | Jeff | Aditya | Luis | Hamza | Brent | Rui | Unassigned | Total |
+|-----------|------|--------|------|-------|-------|-----|------------|-------|
+| M1 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | ~172 SP |
+| M2 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | ~208 SP |
+| M3 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | ~104 SP |
+| M4 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | ~126 SP |
+| M5 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | ~129 SP |
+| M6 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | ~TBD SP |
+| M7 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | ~100 SP |
+| M8 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | ~TBD SP |
+| M9 | N/A | N/A | N/A | N/A | N/A | N/A | N/A | ~TBD SP |
+| M6+ | N/A | N/A | N/A | N/A | N/A | N/A | N/A | ~TBD SP |
+| **Total** | N/A | N/A | N/A | N/A | N/A | N/A | N/A | ~1649 SP |