diff --git a/docs/timeline.md b/docs/timeline.md
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+++ b/docs/timeline.md
@@ -5134,6 +5134,99 @@ Story points per developer per milestone.
 | 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 |
 
+### 2026-04-08 (Day 97)
+
+**Summary**
+
+Status: Behind 20+d
+Deadline risk: HIGH
+
+**Notes**
+
+- Day 97 update (2026-04-08). New build session #4615 launched with 32 parallel workers (up from 16 in Session 3). Session tracker issue: #4615.
+- Open PRs: 108 (Day 96) → 133 (+25 new PRs opened by agents). Open bugs: ~878 (Day 96) → ~1542 (+664 new bugs from agent-driven UAT/bug-hunt expansion).
+- Milestone progress since Day 96: M3 65%→74% (235/317 closed), M4 60%→67% (108/161 closed), M5 68%→71% (130/183 closed), M6 55%→47% (186/397 closed — 70 new issues added; 211 now open), M7 43%→50% (150/301 closed), M8 46%→51% (402/795 closed), M9 28%→31% (128/415 closed).
+- M6 (v3.5.0) regressed from 55% to 47% as 70 new issues were added by agents (211 now open) — milestone total grew from 327 to 397. M8 total shrank from 917 to 795 (milestone recount/cleanup).
+- M3/M4/M5/M7 all improved significantly: M3 +9%, M4 +7%, M5 +3%, M7 +7%.
+- All milestones M3-M7 remain overdue. M8 and M9 have no deadlines and are in active development.
+- Open issues: ~2452 total (from repo metadata). Session 4 active with full supervisor fleet targeting M3-M8 completion.
+- New session #4615 targets: M3 (65% → 100%), M4 (60% → 100%), M5 (68% → 100%), M6 (55% → 100%), M7 (43% → 100%), M8 (46% → 100%).
+
+
+#### 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 2026-05-05 | +68d | CRITICAL — 82 open issues; 74% complete (up from 65%) |
+| M4 (v3.3.0) | (2026-03-02) -> ETA 2026-05-08 | +67d | HIGH — 53 open issues; 67% complete (up from 60%) |
+| M5 (v3.4.0) | (2026-03-06) -> ETA 2026-05-08 | +63d | HIGH — 53 open issues; 71% complete (up from 68%) |
+| M6 (v3.5.0) | (2026-03-10) -> ETA 2026-06-01 | +83d | CRITICAL — 211 open issues; 47% complete (down from 55%, 70 new issues added) |
+| M7 (v3.6.0) | (2026-03-28) -> ETA 2026-06-10 | +74d | HIGH — 151 open issues; 50% complete (up from 43%) |
+| M8 (v3.7.0) | (no deadline) -> ETA 2026-07-08 | N/A | HIGH — 393 open issues; 51% complete (up from 46%) |
+| M9 (v3.8.0) | (no deadline) -> ETA 2026-07-18 | N/A | MEDIUM — 287 open issues; 31% complete (up from 28%) |
+
+#### Track forecast
+
+| Track | Status | ETA | Risk | Blocking |
+|-------|--------|-----|------|----------|
+| Track A (Plan lifecycle + persistence) | Complete | Done | LOW | None |
+| Track B (Projects/resources + sandbox) | In Progress | ETA 2026-05-08 | MEDIUM | 53 open issues in v3.4.0; continued agent-driven expansion |
+| Track C (Actors/tools/skills/validations) | In Progress | ETA 2026-05-08 | HIGH | 53 open issues in v3.3.0; UAT spec compliance bugs ongoing |
+| Track D (Change tracking + apply pipeline) | In Progress | ETA 2026-05-05 | HIGH | 82 open issues in v3.2.0; agent-driven expansion |
+| Track Q (Quality automation) | Ongoing | N/A | CRITICAL | ~1542 open bugs; massive agent-driven bug creation (+664 new bugs since Day 96) |
+| Track T (Testing) | Active | Ongoing | HIGH | 133 open PRs need review; Session 4 active (#4615) |
+
+#### Developer forecast
+
+| Name | Days Ahead/Behind | Availability | Risk | Focus |
+|------|-------------------|--------------|------|-------|
+| Jeff | -22d behind | active | HIGH | Session 4 supervisor; TUI architecture; M8 push; PostgreSQL backend; A2A compliance |
+| Luis | -22d behind | active | HIGH | M6 (v3.5.0) features; security hardening; audit session; PR review pool |
+| Hamza | -22d behind | active | HIGH | Resource DAG; v3.6.0 features; AWS CloudResource; PR reviews |
+| Aditya | -22d behind | active | HIGH | M5 features; TDD counterparts; domain model work; UAT testing |
+| Brent | -22d behind | active | HIGH | Bug fixes; TDD counterparts; quality automation; ~1542 open bugs triage |
+| Rui | -22d 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 97 (2026-04-08).
+
+| 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 | 82 open | 235/317 |
+| M4 | N/A | N/A | N/A | N/A | N/A | N/A | 53 open | 108/161 |
+| M5 | N/A | N/A | N/A | N/A | N/A | N/A | 53 open | 130/183 |
+| M6 | N/A | N/A | N/A | N/A | N/A | N/A | 211 open | 186/397 |
+| M7 | N/A | N/A | N/A | N/A | N/A | N/A | 151 open | 150/301 |
+| M8 | N/A | N/A | N/A | N/A | N/A | N/A | 393 open | 402/795 |
+| M9 | N/A | N/A | N/A | N/A | N/A | N/A | 287 open | 128/415 |
+| **Total** | **N/A** | **N/A** | **N/A** | **N/A** | **N/A** | **N/A** | **~1230 open** | **1491/2721 closed** |
+
+Note: "done/total" = closed/total for that milestone. Assignee data reflects Forgejo API as of Day 97 (2026-04-08). Most open issues are unassigned or assigned to freemo (Jeff). Agent-driven issue creation continues at high velocity. M6 grew dramatically from 327→397 (+70 new issues). M8 shrank from 917→795 (milestone recount/cleanup). Open bugs increased from ~878→~1542 (+664 new UAT/bug-hunt bugs). New session #4615 launched with 32 parallel workers.
+
+#### 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 | ~151 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 |
+
 ### 2026-04-08 (Day 98)
 
 **Summary**