diff --git a/CHANGELOG.md b/CHANGELOG.md
index a9bd793..4ea7148 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -117,7 +117,7 @@
   never a real invariant on Metal (GPT Q4 confirms); the W1-A parity test
   now asserts winners identical + log_scores within tests/conftest.py's
   PARITY_ATOL = 1e-2 (measured Metal batch-shape drift ~0.004 nats, winners
-  stable; coder1's PR #21 imports the same constant post-merge; exact
+  stable; PR #21 imports the same constant post-merge; exact
   equality still holds on the deterministic FakeModel path). trie.py:
   score_trie returns (log_probs, legal_mass_logs) — one function, the
   legal_mass_at_node callback optional (None = mass 1.0, for the MLX-free
diff --git a/jevmlx/engine.py b/jevmlx/engine.py
index 6fea56a..9820dd9 100644
--- a/jevmlx/engine.py
+++ b/jevmlx/engine.py
@@ -2915,15 +2915,15 @@ def reconcile_case_constraints(
     state: AssembledState,
     constraints,
     schema: StructuredSchema,
-    compiled_constraints: "CompiledConstraints | None" = None,
+    compiled_constraints: CompiledConstraints,
 ) -> AssembledState:
     """Stage 4 (W5b-10 C1): constrained MAP over the first-pass decisions.
 
-    Consumes CompiledConstraints (W5b-11, coder4 — compiled by
-    validate_constraints_for_schema/compile_constraints) and re-picks the
-    joint assignment maximizing summed per-field log scores subject to the
-    case-level constraints. Telemetry is updated in place for changed
-    fields (value + probability from the winning score key).
+    Consumes the request's CompiledConstraints (W5b-11 — compiled once by
+    compile_constraints) and re-picks the joint assignment maximizing
+    summed per-field log scores subject to the case-level constraints.
+    Telemetry is updated in place for changed fields (value + probability
+    from the winning score key).
 
     Returns the updated AssembledState carrying the SAME rescored_fields
     plus the reconciled names (parsed_json / field_telemetry are the SAME
@@ -2934,10 +2934,6 @@ def reconcile_case_constraints(
         return AssembledState(
             state.parsed_json, state.field_telemetry, state.rescored_fields, tuple()
         )
-    if compiled_constraints is None:
-        from jevmlx.constraints import compile_constraints
-
-        compiled_constraints = compile_constraints(constraints, schema)
     parsed_json = state.parsed_json
     field_telemetry = state.field_telemetry
     field_log_scores = {
@@ -2987,8 +2983,8 @@ def run_dependency_waves(
     A NAMED boundary over _selective_second_pass (the wave loop stays there):
     takes the post-MAP AssembledState, returns the updated state (parsed /
     telemetry mutated in place by the waves) plus the second-pass telemetry
-    dict. coder4 wires jevmlx.timing.Ledger's 'dependency' span around this
-    call — it is the only dependency-stage boundary.
+    dict. jevmlx.timing.Ledger's 'dependency' span wraps this call — it is
+    the only dependency-stage boundary.
     """
     if not any(f.depends_on is not None for f in schema.fields.values()):
         return state, {"rerun_fields": [], "rerun_rows": 0, "second_pass_ms": 0.0}
@@ -3228,8 +3224,8 @@ def _assemble(
     dispatch_rows (row-kind dispatch) -> per-field score_scalar_field /
     score_multi_field (each ending in the shared scalar finalizer) ->
     reconcile_case_constraints (W3-D MAP over CompiledConstraints) ->
-    run_dependency_waves (W3-D part 2, the named boundary coder4 wraps in
-    timing.Ledger's 'dependency' span) -> finalize_public_result (the
+    run_dependency_waves (W3-D part 2, the named boundary that
+    timing.Ledger's 'dependency' span wraps) -> finalize_public_result (the
     result dict). Everything AFTER the forward passes lives in the stages;
     the batched path reuses this unchanged.
     """
diff --git a/jevmlx/timing.py b/jevmlx/timing.py
index 6e83cef..ea97773 100644
--- a/jevmlx/timing.py
+++ b/jevmlx/timing.py
@@ -2,7 +2,7 @@
 
 Standalone module — pure Python, NO mlx import, NO engine wiring yet.
 Engine adoption (deleting the t_gather_ms/t_broadcast_ms/t_scored_ms
-accumulators) lands after W5-B with coder2 informed.
+accumulators) lands after W5-B.
 
 Why: the current ``*_ms`` keys overlap (``suffix_eval_ms`` includes
 broadcast + gather, which are ALSO reported separately), ``elapsed_ms``
@@ -10,7 +10,7 @@
 One ledger measures each interval ONCE, non-overlapping; every reported
 key is a derivation of the same interval set.
 
-Phases (per coder6's note): ``prior`` (the neutral pass) and ``main``
+Phases: ``prior`` (the neutral pass) and ``main``
 (everything else). Names: plan, prompt_render, prefill, cache_merge,
 transformer, lm_head, gather, rescore, dependency, reconciliation,
 assembly — plus the batched wrappers group_wall / per-context assembly.
diff --git a/tests/test_engine.py b/tests/test_engine.py
index 2fe0b31..1bee359 100644
--- a/tests/test_engine.py
+++ b/tests/test_engine.py
@@ -471,7 +471,7 @@ def test_w1a_scoring_parity_batch_vs_chunked_real_model(engine):
     W3-C's measurement on this machine: since W2-B shortened the slot rows
     to 4 tokens the observed worst drift is ~0.029 nats on the fintech_fraud
     preset (winner stable) — hence the shared PARITY_ATOL constant in
-    conftest.py, coordinated with coder3's W2-D tolerance change. The
+    conftest.py (the shared W2-D tolerance). The
     invariant that MATTERS is the decision: the same winner per field, and
     log_scores that agree to within FP tolerance. Exact equality is still
     asserted on the FakeModel path (test_engine_fake.py) where the model is
diff --git a/tests/test_timing.py b/tests/test_timing.py
index 1d373bd..dd0aad9 100644
--- a/tests/test_timing.py
+++ b/tests/test_timing.py
@@ -82,7 +82,7 @@ def test_close_ordering_nested():
 
 def test_derived_flat_keys_match_engine_contract():
     """The derived flat keys are pure functions of the interval set and
-    match today's result-key semantics (coder6's mapping)."""
+    match the engine's result-key semantics."""
     ledger = Ledger()
     with ledger.span("prior_pass", phase="prior"):
         pass