docs: M5d-2 gate count 1508 and OpenCode model id

The M5d-1 gate on straylight is 1508, so every M5d-2 expected count moves up by one.
OpenCode 1.15.10 serves Ornith as llama.cpp/ornith-1.5-35b-a3b.

Co-Authored-By: Grok 4.6 <noreply@x.ai>

docs/plans/M5d2/08-loopd-tool-summary.md

@@ -231,14 +231,14 @@ Facts). The `Err(TurnError::SessionFull)` arm gets the same `missing` call befor
 - [ ] **5. Check.** `git diff --stat` lists `crates/loopd/src/summarise.rs`,
   `crates/loopd/src/lib.rs`, `crates/loopd/src/compact.rs`.
 - [ ] **6. Run the gate.** `cargo fmt --all`, then `make gate`, timeout 600000 ms. Last line
-  `gate: ok`. Test count **1561** (1555 before, plus 6).
+  `gate: ok`. Test count **1562** (1556 before, plus 6).
 - [ ] **7. Log and commit.** Task cell `M5d2/08-loopd-tool-summary`. Stage with
   `git add crates/loopd config/summarise.md docs/implementer-log.md Cargo.lock`, then commit
   as `AGENTS.md` says.
 
 ## Done when
 
-- `make gate` prints `gate: ok` with 1561 tests.
+- `make gate` prints `gate: ok` with 1562 tests.
 - `git diff HEAD~1 --stat` lists only `crates/loopd/src/summarise.rs`,
   `crates/loopd/src/lib.rs`, `crates/loopd/src/compact.rs`,
   `crates/loopd/tests/tool_summary_call.rs`, `config/summarise.md` and the log.
@@ -246,7 +246,7 @@ Facts). The `Err(TurnError::SessionFull)` arm gets the same `missing` call befor
 ## Stop and report if
 
 - The branch check fails; a "before" block is not found exactly once; step 2 differs; `cargo
-  check` warns; a test fails; the gate count is not 1561; you send tools on the summary
+  check` warns; a test fails; the gate count is not 1562; you send tools on the summary
   request; you send `slots.main`; you replay the summary in `messages()`; you summarise a
   name not in the list; you summarise twice; you compact before summarising.