fix: allow pinned COOF market-entry limit recross

[luisleo526]

Allow a full long limit exit armed by a calc-on-order-fills market entry at the first high to fill when price recrosses its level later in the bar. Whole-entry-bar suppression previously delayed these exits until the next bar. The exception is tied to the actual opening fill and its first callback; existing path, stop and competing-order guards remain in force.

Validation on engine 86049406d8f675d7ad237f519d1a023ae21f6096 with codegen 3fd97fe28abd7b191cb376d9f5db4e056fcfae4b:

• Cloud Run completed 72/72 cases and measured all 4,190 probes. Ford and EURUSD JOAT aureate move from strong to excellent: count differences fall from 5 and 6 to zero, with 100% match and zero canonical P90 errors. All other 4,188 probes retain their canonical metrics. Zero regressions, engine errors, coverage gaps or new moderate results.
• Gate pineforge-pr-gate-8bcpn: PASS against baseline dd98f02ed492f64ae8b48358117c83530f88ae74, target score +2, zero regressions or tolerated exceptions across 704 hard probes. Result: 4,156 excellent / 33 strong / 1 moderate.
• Fresh all-target build, 209/209 C++ unit tests, C ABI and freshness checks passed. The focused fixture passes 227 checks; 51 scope checks also pass on the unchanged parent runtime. Independent Grok 4.6 review of this exact candidate is GREEN, P0/P1/P2 = 0.

The rule is limited to the pinned historical, single-lot long market-entry case. Grading metrics, thresholds, tolerances, verifier, harness, tapes and population are unchanged.

Candidate snapshot: 1544c156154fccd4789afa50ffc7db900c49e34f63d36fdbc6dc213cb31661bd (788,854 bytes).