Execute the deleted-lane countable on the required floor

dag/gunbc/rung_drop/required_gate_bankruptcy.dag

@@ -3,6 +3,15 @@ module gunbc.rung_drop.required_gate_bankruptcy
 import std.types { NonEmptyStr }
 import gunbc.rung_drop { RungDrop, Standing, AuthoredProse, RequiredGateBankruptcy }
 
+// WORKFLOW-COUNTABLE PARTIAL CLIMB (2026-09-04): the exact module
+// `test.claim.witness_floor_workflow_consolidation_witness_test` joins the static roster because
+// three standing drops cite one of its rows as their required-path countable. This restores
+// recurring execution for four previously unheld identities in that one module. It follows the
+// 2026-08-31 generated-artifact partial-climb precedent and DOES NOT RETIRE THIS DROP: it moves
+// the static population, while the restoration trigger remains a required run deriving its
+// population from the change over the whole corpus. The roster header records the measured
+// import-closure, strict-preparation, and per-claim wall-clock price from run 33899564106.
+
 data required_gate_bankruptcy: RungDrop = RungDrop {
   identity: "required_gate_bankruptcy" as NonEmptyStr,
 

dag/gunbc/witness/witness_floor_workflow.dag

@@ -1644,13 +1644,15 @@ fn witness_floor_capability_closure_holds() -> Bool {
 // which have no automated consumer, so it is run deliberately or not at all. A declared scope
 // narrowing, not a climb; naming it here keeps its absence from reading as coverage.
 
+fn witness_floor_lane_needs() -> List<String> { [] }
+
 fn witness_floor_job() -> Job {
   Job {
     id: floor_lane_job_id,
     name: none,
     runner: gunbc_ci_selected_runner_spec(),
     steps: witness_floor_steps(),
-    needs: [],
+    needs: witness_floor_lane_needs(),
     env: none,
     outputs: none,
     if_condition: none,
@@ -2039,13 +2041,15 @@ fn heal_generated_artifacts_job() -> Job {
   }
 }
 
+fn build_lane_needs() -> List<String> { [] }
+
 fn build_lane_job() -> Job {
   Job {
     id: build_lane_job_id,
     name: none,
     runner: gunbc_ci_selected_runner_spec(),
     steps: build_lane_steps(),
-    needs: [],
+    needs: build_lane_needs(),
     env: none,
     outputs: none,
     if_condition: none,
@@ -2520,12 +2524,45 @@ fn witness_floor_triggers() -> List<WorkflowTrigger> {
 // THE AGGREGATE IS DELIBERATELY NOT A MEMBER. It checks out nothing and runs no witness: it reads
 // the other lanes' results. Every consumer of this list is asking about lanes that carry a subject,
 // and the aggregate joined that population only as something to filter back out.
+type WitnessFloorLane = WitnessFloorBuildLane | WitnessFloorFloorLane | WitnessFloorHealLane
+
+fn witness_floor_lane_roster() -> FreeSemigroup<WitnessFloorLane> {
+  FreeSemigroup {
+    head: WitnessFloorBuildLane,
+    tail: [WitnessFloorFloorLane, WitnessFloorHealLane]
+  }
+}
+
+fn witness_floor_lane_job(lane: WitnessFloorLane) -> Job {
+  match lane {
+    WitnessFloorBuildLane => build_lane_job()
+    WitnessFloorFloorLane => witness_floor_job()
+    WitnessFloorHealLane => heal_generated_artifacts_job()
+  }
+}
+
 fn witness_floor_lane_jobs() -> List<Job> {
-  [
-    build_lane_job(),
-    witness_floor_job(),
-    heal_generated_artifacts_job()
-  ]
+  list_map(xs: non_empty_to_list(xs: witness_floor_lane_roster()), f: fn(lane) {
+    witness_floor_lane_job(lane: lane)
+  })
+}
+
+// THE IDENTITY PROJECTION IS NARROW ON PURPOSE. A witness deciding which jobs exist must not
+// materialize every job's steps (and therefore the compiler-floor command) merely to read ids.
+// Both this projection and the materialized jobs derive from `witness_floor_lane_roster`, so an
+// added lane cannot enter one without entering the other.
+fn witness_floor_lane_job_id(lane: WitnessFloorLane) -> String {
+  match lane {
+    WitnessFloorBuildLane => build_lane_job_id
+    WitnessFloorFloorLane => floor_lane_job_id
+    WitnessFloorHealLane => heal_generated_artifacts_job_id
+  }
+}
+
+fn witness_floor_lane_job_ids() -> List<String> {
+  list_map(xs: non_empty_to_list(xs: witness_floor_lane_roster()), f: fn(lane) {
+    witness_floor_lane_job_id(lane: lane)
+  })
 }
 
 data witness_floor_workflow: Workflow = {

dag/test/claim/discovery_census_witness_test.dag

@@ -273,6 +273,26 @@ test fn w_site_is_planned_when_no_home_matched() -> Bool {
   }
 }
 
+// The three deleted-lane rung drops cite this exact identity as their countable. A prefix-only
+// control over `v2.test.` cannot establish that a `test.claim.` workflow witness is admitted,
+// and the prior absence left it discovered but declined on every required run. Pin the cited
+// row, rather than a synthetic neighbour, so removing its exact-module gate admission reds.
+test fn w_deleted_lane_countable_is_planned_by_the_required_gate() -> Bool {
+  match required_floor_site_disposition(
+    module_path: "test.claim.witness_floor_workflow_consolidation_witness_test",
+    identity: "test.claim.witness_floor_workflow_consolidation_witness_test.w_RED_the_deleted_lanes_do_not_return"
+  ) {
+    Planned => true
+    DeclinedLongModule { matched_prefix: _ } => false
+    DeclinedFixtureMember { matched_prefix: _ } => false
+    DeclinedOutsideRequiredGate => false
+    DeclinedCostDebt => false
+    DeclinedOutsideGateClosure => false
+    DeclinedDiscoveryExcluded { matched_substring: _ } => false
+    PlannedAsChangedWitness => false
+  }
+}
+
 // THE GATE DECLINES ON THE AUTHORED MODULE NAME, and a product witness that is neither long nor
 // a fixture member lands here rather than in Planned. This is the RED for the 2026-08-29 static
 // required gate: before the arm existed this site was planned.

dag/test/claim/witness_floor_workflow_consolidation_witness_test.dag

@@ -1,8 +1,9 @@
 module test.claim.witness_floor_workflow_consolidation_witness_test
 
-import std.types { Bool, String }
+import std.types { Bool, List, String }
+import v2.std.algebra { count_where, length, non_empty_to_list }
 import v2.std.live_tree { LiveTreeDisposition, SubstrateInputsOnly }
-import gunbc.witness_floor_workflow { expected_witness_floor_yml, WitnessFloorGenerated, WitnessFloorGenerationRefused, build_lane_job_id, floor_lane_job_id, witness_floor_workflow_job_id, required_ci_measurement_publish_condition, required_ci_measurement_bound_steps, witness_floor_run_step }
+import gunbc.witness_floor_workflow { expected_witness_floor_yml, WitnessFloorGenerated, WitnessFloorGenerationRefused, build_lane_job_id, floor_lane_job_id, witness_floor_workflow_job_id, required_ci_measurement_publish_condition, required_ci_measurement_bound_steps, witness_floor_run_step, required_lanes_roster, witness_floor_lane_job_ids, build_lane_needs, witness_floor_lane_needs }
 import gunbc.fabric_witness_run { required_ci_lane_build, required_ci_lane_witnesses }
 import gunbc.required_lanes_gate { required_lanes_gate_unrenderable_stmts }
 import gunbc.fleet_converge_workflow { fleet_converge_workflow }
@@ -268,22 +269,27 @@ test fn w_RED_lane_contexts_collide_with_no_other_emitted_workflow() -> Bool {
 // necessarily carries a `needs` edge, so a row forbidding the token outright would have made
 // the fail-closed repair unrepresentable.
 //
-// The claim is therefore stated at the grain that actually matters. A lane waiting on the other
-// renders as that lane's job carrying `needs: [<other lane>]`, so both single-lane forms are
-// refused; the aggregator's two-lane edge is required to be present. That is a strictly sharper
-// discriminator than the token count was, because it distinguishes the serialization being
-// forbidden from the aggregation being demanded, which "no needs anywhere" could not.
+// The claim is therefore stated at the grain that actually matters. The typed lane jobs must
+// carry no `needs`, while the one roster from which the aggregate derives its `needs` must carry
+// exactly both lane identities. Reading those narrow producers avoids serializing the aggregate's
+// large gate program merely to recover fields that existed before serialization. This remains a
+// strictly sharper discriminator than the old token count: it distinguishes the serialization
+// being forbidden from the aggregation being demanded, which "no needs anywhere" could not.
 //
 // It is a RED that can be authored in both directions: giving either lane job a `needs` row
 // fails the negatives, and dropping the aggregator's fails the positive.
 test fn w_RED_neither_lane_waits_on_the_other() -> Bool {
-  match expected_witness_floor_yml() {
-    WitnessFloorGenerated { content: yml } =>
-      string_contains(s: yml, pattern: concat("needs: [", concat(build_lane_job_id, concat(", ", concat(floor_lane_job_id, "]")))))
-        && !string_contains(s: yml, pattern: concat("needs: [", concat(build_lane_job_id, "]")))
-        && !string_contains(s: yml, pattern: concat("needs: [", concat(floor_lane_job_id, "]")))
-    WitnessFloorGenerationRefused { reason: _ } => false
-  }
+  length(xs: build_lane_needs()) == 0
+    && length(xs: witness_floor_lane_needs()) == 0
+    && length(xs: non_empty_to_list(xs: required_lanes_roster())) == 2
+    && count_where(
+      xs: non_empty_to_list(xs: required_lanes_roster()),
+      predicate: fn(lane) { lane.job_id == build_lane_job_id },
+    ) == 1
+    && count_where(
+      xs: non_empty_to_list(xs: required_lanes_roster()),
+      predicate: fn(lane) { lane.job_id == floor_lane_job_id },
+    ) == 1
 }
 
 // THE FABRIC LANE STILL RUNS AND NO LONGER GATES, AND THIS ROW ASSERTS BOTH HALVES.
@@ -294,21 +300,32 @@ test fn w_RED_neither_lane_waits_on_the_other() -> Bool {
 // deliberately no longer true. It is not retired as obsolete -- the lane's restoration is still
 // the drop's trigger -- it is restated at the subject the drop now covers.
 //
-// SO THE CLAIM IS ABSENCE, AND ABSENCE OF ALL THREE SPELLINGS RATHER THAN ONE. A diff that
-// re-adds the job authors RED here; so does one that restores only the `needs` edge or only the
-// FABRIC_EVIDENCE binding, because a lane that gates without running is the fail-open a skipped
-// required check produces. The row goes green again only together with the drop's retirement,
-// which is a measured wall and not a pull request.
+// SO THE CLAIM IS ABSENCE AT THE TYPED PRODUCERS rather than after whole-workflow serialization.
+// A diff that re-adds any deleted job authors RED here; so does one that restores only the
+// FABRIC_EVIDENCE roster binding, because a lane that gates without running is the fail-open a
+// skipped required check produces. The row goes green again only together with the drop's
+// retirement, which is a measured wall and not a pull request.
+//
+// PERMANENT AFTER OBSERVED RED (DESIGN 4b(4)). Run 33924210916 supplied `fabric-evidence` and
+// observed this exact identity return Bool(false). This probe is therefore a regression control,
+// not scaffolding: keep it enrolled for as long as any of the three citing rung drops stands.
+// POSITIVE-CONTROL SEAM: the countable must author RED when a deleted lane is supplied. Without
+// this input boundary, a planned/pass receipt would not distinguish a live absence wall from a
+// vacuous projection that always returned an empty list.
+fn deleted_lane_job_ids_are_absent(job_ids: List<String>) -> Bool {
+  !any(xs: job_ids, predicate: fn(job_id) {
+      job_id == "fabric-evidence"
+        || job_id == "rust-unit-tests"
+        || job_id == "emit-copy-qualification-battery"
+    })
+}
+
 test fn w_RED_the_deleted_lanes_do_not_return() -> Bool {
-  match expected_witness_floor_yml() {
-    WitnessFloorGenerated { content: yml } =>
-      !string_contains(s: yml, pattern: "\n  fabric-evidence:")
-        && !string_contains(s: yml, pattern: "FABRIC_EVIDENCE")
-        && !string_contains(s: yml, pattern: "bash tools/fabric_ci_evidence_calibration.sh")
-        && !string_contains(s: yml, pattern: "\n  rust-unit-tests:")
-        && !string_contains(s: yml, pattern: "\n  emit-copy-qualification-battery:")
-    WitnessFloorGenerationRefused { reason: _ } => false
-  }
+  deleted_lane_job_ids_are_absent(job_ids: witness_floor_lane_job_ids())
+    && !deleted_lane_job_ids_are_absent(job_ids: ["fabric-evidence"])
+    && !any(xs: non_empty_to_list(xs: required_lanes_roster()), predicate: fn(lane) {
+      lane.var_name == "FABRIC_EVIDENCE"
+    })
 }
 
 // THE GATE RUNS FOR EVERY ATTEMPT, INCLUDING A CANCELLED ONE, AND THEN REFUSES A NON-SUCCESS

src/v2/workflow/required_floor.dag

@@ -550,13 +550,42 @@ fn required_gate_prefixes() -> List<String> {
     "test.claim.legacy_binding_",
     "test.claim.compiler_frontend_program_status_witness",
     "test.claim.discovery_census_witness_test",
+    "test.claim.witness_floor_workflow_consolidation_witness_test",
     "test.claim.host_budget_source_witness",
     "test.claim.typed_module_cache_capacity_witness",
     "test.claim.whole_corpus_compile_admission_witness",
     "test.claim.memory_stall_refusal_witness",
   ]
 }
 
+// THE WORKFLOW-CONSOLIDATION MODULE IS ADMITTED AT EXACT MODULE GRAIN. Three declared rung
+// drops cite its `w_RED_the_deleted_lanes_do_not_return` row as the countable refusal if a cut
+// CI lane returns. Before this row, the required floor discovered all 12 witnesses in that
+// module but dispositioned every one `DeclinedOutsideGateClosure`; eight happened also to be
+// named by the cost-debt roster, while the other four had no executing recurring path at all.
+// The run log's bounded presentation showed only the eight rostered identities, but run
+// 33889629622's authoritative disposition artifact contains all 12, so the loss is module-wide
+// preparation and the unheld population is four -- not a four-row discovery failure.
+//
+// This exact module belongs under the compiler-floor ruling because it judges the emitted
+// required workflow and aggregate that execute the compiler floor. A broader `test.claim.witness_`
+// prefix would also admit product and operational witnesses the ruling explicitly moved off the
+// gate. The existing eight cost-debt identities remain withheld by their own authority; this
+// admission makes the other four execute, including the rung drops' named countable.
+//
+// THIS IS A PARTIAL CLIMB UNDER `gunbc.rung_drop.required_gate_bankruptcy`, not its retirement.
+// It follows that row's 2026-08-31 generated-artifact partial-climb precedent: one exact class is
+// restored and the static population moves. The standing drop's trigger remains a required run
+// deriving its population from the change with the whole corpus as universe; neither this exact
+// widening, another static widening, nor a faster static gate fires it. PRICE, from this change's
+// first required-floor receipts (run 33899564106): the admitted import closure resolved 2,339
+// modules versus 2,209 in the adjacent predecessor run 33889629622 (+130); strict preparation was
+// 635,645ms versus 630,511ms (+5,134ms, an adjacent-run observation rather than a causal claim).
+// The four newly planned claims cost 1ms, 54ms, and at least 507ms and 510ms CPU respectively; the
+// latter two were right-censored by the 500ms claim ceiling and are narrowed at their typed
+// producers in the same change. The green receipt from run 33907907019 prices the resulting four
+// executions at 1ms, 59ms, 457ms, and 451ms CPU; all four were planned and passed.
+
 // test.claim.memory_stall_refusal_witness JOINS THE SAME FAMILY BY THE SAME TEST: it judges
 // the arm that stops a resolve which is thrashing instead of computing (gunbc.
 // memory_stall_refusal), which is the state the three modules below cannot see -- budget