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+# ADR-0069: Single-Role `service_type`; Compose Multi-Concern at Workflow
+
+- Status: Accepted
+- Date: 2026-09-11
+- Governing specs: `014` / `208-service-type-taxonomy` (unchanged); `098-capability-event-host-abi`; `131-stateful-persistence-host-abi`
+- Related issue: #1291
+- Related: `docs/decision-log.md` Decision 68 (deferred multi-role); Decision 81
+
+## Context
+
+`service_type` is a single enum (`Stateless` | `Subscribable` | `Stateful`).
+Spec `098` FR-003 gates `emit_event` to `Subscribable`. Spec `131` gates
+`state_*` to `Stateful`. A capability therefore cannot both persist state and
+participate in events. Session-flavored roster items (for example
+`core.followup-session`, `identity.challenge-session`, `support.agent-session`)
+plausibly want both concerns. Decision 68 deferred the multi-role taxonomy
+question rather than inventing a combined type inside the Stateful ABI slice.
+Spec `131` Compatibility already records multi-role as out of scope.
+
+## Decision
+
+Keep `service_type` as a single enum. Do **not** add a combined variant (for
+example `StatefulSubscribable`) and do **not** introduce orthogonal contract
+flags such as `uses_storage` / `participates_in_events`.
+
+When a product need spans persistence and events, author **two** capabilities
+(one `Stateful`, one `Subscribable`) and compose them at the workflow /
+application layer. Call-time gates in `098` and `131` remain unchanged.
+Placement rules in `014`/`208` continue to key off the single `service_type`
+value.
+
+If a concrete published capability later proves that workflow composition is
+worse than a combined type, revisit with a **narrow** new enum variant — not
+open-ended orthogonal flags.
+
+## Consequences
+
+- `#1291` is closed as a governing ruling, not an implementation ticket.
+- No amendment to Approved Specs `014`/`208`, `098`, or `131` is required for
+  this negative ruling; Spec `131` already excludes multi-role.
+- Session-style products must split concerns across capabilities and workflows.
+- Downstream Deferred Stateful ABI tickets (`state_clear`, quotas, CAS) remain
+  independent of this taxonomy decision.
+
+## Alternatives considered
+
+- **New `service_type` variant** (e.g. `StatefulSubscribable`): rejected for
+  now — every gate and placement rule would need to learn the new value, and
+  no published multi-role workload is blocked today.
+- **Orthogonal flags** beside or instead of the enum: rejected — Decision 68
+  already noted that `208` placement is written against `service_type`; flags
+  force a foundational rewrite without demand.
+- **Address multi-role inside Spec `131`**: already rejected in Decision 68;
+  this ADR closes the deferred follow-up with an explicit compose-at-workflow
+  ruling.
diff --git a/docs/decision-log.md b/docs/decision-log.md
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@@ -3665,3 +3665,96 @@ Customer DEVs and agents get one story: discover/plan at authoring time (with a
 ### Approval
 
 Approved by Enrico in this owner-directed `/brainstorm` session (2026-09-10).
+
+## Decision 81: Single-Role `service_type` — Compose Multi-Concern at Workflow
+
+- **Date**: 2026-09-11
+- **Status**: Accepted
+- **Related issue**: `#1291`
+- **Governing artifacts**: ADR-0069; Specs `014`/`208`, `098`, `131` (unchanged)
+- **Origin**: `/brainstorm` over the 12 open Project 1 issues (2026-09-11)
+
+### Context
+
+Decision 68 deferred Stateful + events multi-role. Spec `131` already excludes
+it. Session-flavored roster items plausibly want both persistence and events,
+but no published capability is blocked today.
+
+### Decision
+
+1. Keep `service_type` as a single enum.
+2. Do not add a combined variant or orthogonal storage/events flags.
+3. When both concerns are needed, author separate `Stateful` and `Subscribable`
+   capabilities and compose them at the workflow / application layer.
+4. Leave `098` / `131` call-time gates and `014`/`208` placement rules unchanged.
+5. Revisit only with a narrow enum variant if a concrete published capability
+   proves composition is worse than a combined type.
+
+### Alternatives considered
+
+- New `service_type` variant — deferred without demand; gate/placement churn.
+- Orthogonal flags — rejected; placement is written against `service_type`.
+- Thin amendment to Spec `014`/`208` or a new dedicated multi-role spec —
+  rejected for a pure negative ruling; ADR-0069 + this log entry suffice.
+
+### Outcome
+
+`#1291` closes as a governing ruling (ADR-0069 Accepted). No new positive ABI
+or taxonomy surface.
+
+### Approval
+
+Approved by Enrico in this owner-directed `/brainstorm` session (2026-09-11).
+
+## Decision 82: Open-Issue Ready Triage — Executable Ready Only; Demand-Gate Deferred ABI
+
+- **Date**: 2026-09-11
+- **Status**: Accepted
+- **Related issues**: `#1341`, `#1242`, `#1291`, `#1287`, `#1288`, `#1290`,
+  `#1294`, `#1295`, `#1150`, `#1152`, `#1168`, `#884`
+- **Origin**: `/brainstorm` over the 12 open Project 1 issues (2026-09-11)
+
+### Context
+
+Twelve issues were open with zero Ready tickets. Open ≠ Ready: most were
+Project Status `future`, one (`#1341`) carried stale `needs-spec` despite
+Approved Spec `135`, and umbrellas / upstream trackers are not executable
+agent work.
+
+### Decision
+
+1. **Ready means executable now.** Promote only tickets with approved
+   governing artifacts and no external blocker.
+2. **Promote to Ready now:**
+   - `#1341` — Spec `135` + ADR-0068 + Decision 79 Approved; remove
+     `needs-spec`, add `spec-complete`, add to Project 1, Status Ready.
+   - `#1242` — Spec `520` / `no-spec-needed`; Status Ready.
+3. **Close as ruling (not implement):** `#1291` after ADR-0069 + Decision 81.
+4. **Demand-gate (remain `future`, no new ABI spec until a named consumer is
+   blocked):**
+   - `#1287` `state_clear`, `#1288` quotas, `#1290` CAS (Decision 68 deferrals)
+   - `#1294` IndexedDB KeyProvider, `#1295` IndexedDB maintenance (Spec `528`
+     fail-closed follow-ons)
+5. **Stay out of Ready:**
+   - `#1150`, `#1152`, `#1168` — umbrellas / proof outcomes until split into
+     executable children.
+   - `#884` — external WasmKit upstream watch.
+
+### Alternatives considered
+
+- Promote already-governed first, then design everything else into Ready —
+  rejected; invents ABI before demand.
+- Design every missing artifact before any Ready move — rejected; idles
+  `#1341`/`#1242` for no technical reason.
+- Spec+ADR now for Deferred Stateful/IndexedDB while keeping `future` —
+  rejected; design cost without a blocked consumer.
+
+### Outcome
+
+Ready board gets real implement work (`#1341`, `#1242`). Deferred ABI and
+umbrella tickets stay honest as `future` / non-Ready. Single-role taxonomy
+closes via Decision 81 / ADR-0069.
+
+### Approval
+
+Approved by Enrico in this owner-directed `/brainstorm` session (2026-09-11).