radar: pass 25 — A1 8 adopters (events) + common-lisp 487/487; conformance loop extended shared lib/guest driver — flag merge-time adopter-parity verification

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

plans/abstractions.md

@@ -12,6 +12,12 @@ Anything short → _Watching_ (what's missing) or _Rejected_ (why).
 
 ## Last scan
 
+- **Date:** 2026-06-07 (radar loop, pass 25)
+- **Pass 25:** A1 → **8 adopters** (events via its own loop) + common-lisp 487/487 on the
+  conformance branch. The conformance loop **extended the shared `lib/guest` driver**
+  (per-suite counters/preloads) to do it → raised a **coordination flag in A1**: verify the
+  branch is non-regressive against all 8 adopters before merging to architecture. commerce
+  drafting Phase 5 provider-neutral payment envelope. No new candidate; A1 advancing fast.
 - **Date:** 2026-06-07 (radar loop, pass 24)
 - **Pass 24 — three real updates.** (1) **A1 → 7 adopters** (search migrated, counters mode
   — corrects the earlier exclusion). (2) The dedicated `conformance` loop ran its 1st
@@ -228,9 +234,10 @@ one merged file copied N times. Correct one-liner:
   `lib/haskell/conformance.conf` (counters) or `lib/prolog/conformance.conf` (dict).
   Keep the `bash lib/X/conformance.sh` entry point so no loop is disrupted.
 - **Priority: HIGH** (15 consumers, low risk, interface-preserving, additive).
-- **7 adopters now** (pass 24): acl, apl, datalog, haskell, mod, prolog, **+ search**
-  (3-line shim, `MODE=counters`). *Corrects the earlier "search excluded" note* — search
-  assembles Haskell source but its suites emit pass/fail counters, so counters mode fits.
+- **8 adopters on architecture** (pass 25): acl, apl, datalog, **events**, haskell, mod,
+  prolog, search — `events` migrated via its OWN loop; `search` via counters mode (which
+  corrects the earlier "search excluded" note). **+1 on the `loops/conformance` branch:
+  `common-lisp` migrated 487/487** (pending merge to architecture).
 - **NOW IN PROGRESS — dedicated loop (2026-06-07).** A human-triggered `conformance` loop
   (worktree `/root/rose-ash-loops/conformance`, branch `loops/conformance`, tmux session
   `a1-conformance`, briefing `plans/agent-briefings/conformance-loop.md`) is working the
@@ -242,11 +249,18 @@ one merged file copied N times. Correct one-liner:
   reproduce it: `MODE=counters` supports only ONE global pass/fail counter pair + ONE fixed
   preload set, but common-lisp needs **per-suite counter names** (8 distinct pairs) and
   **per-suite preload chains**. It logged a precise blocker + unblock path (extend the
-  `SUITES` entry format with optional per-suite counters/preloads) and moved on. So A1
-  splits: **simple single-counter/single-preload suites migrate now; complex multi-suite
-  ones are gated on a `lib/guest/conformance` driver enhancement** — that enhancement is
-  itself consumer-gated work owned by `lib/guest`'s loop, NOT something the migration loop
-  changes unilaterally. The parity gate working as intended (refused a coverage-losing migration).
+  `SUITES` entry format with optional per-suite counters/preloads) and moved on.
+- **Driver gap RESOLVED next iteration (pass 25) — but it touched the shared driver.** The
+  loop extended `lib/guest/conformance.sh` (+38 lines: optional per-suite counters + per-suite
+  preloads in the `SUITES` format, backward-compatible) and then migrated common-lisp at
+  **487/487** (above the 305 baseline — likely another extractor under-count correction, à la
+  apl's `pipeline`). The parity gate held throughout.
+- **⚠ COORDINATION FLAG (radar): the `loops/conformance` branch now carries a change to the
+  SHARED `lib/guest` driver** used by all 8 adopters. It's additive by design, but **before
+  this branch merges to `architecture`, re-run the existing adopters' suites under the new
+  driver to confirm zero regression** (acl/apl/datalog/events/haskell/mod/prolog/search).
+  This is the one cross-cutting risk in an otherwise per-subsystem-isolated effort — surfaced
+  here so the merge is gated on adopter-parity, not assumed.
 
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