qvm: recover location selection and cache gates

docs/FINDINGS.md

@@ -2009,3 +2009,5 @@ RE-1032: Forty-eight coherent source cases execute full defuse gates/lookup/dist
 RE-1033: Rust matches48 full-source scenarios with actual constructor/radio/score/counter policies. Selected bomb origin and live teammate table feed the resolved effects rather than fixed synthetic responses. Missing-bomb and paused-score boundaries are preserved; world and feedback stage together on late errors. Tests materialize event84, wrapped score/counter changes and missing/error preservation. Native allocation/link/send/ranking/log and location/formatter boundaries remain explicit. [Evidence](research/RUST_EFFECT_DEFUSE_COMPLETE.md).
 
 RE-1024–1033 batch validation passed:1,998 Python tests,329 Rust tests,141 deterministic affected producers and612 documentation files. Source205260 is score update,283463 is indexed counter increment and193620 is team radio; old capture names remain compatibility labels. [Resolved feedback and next work](research/QVM_EFFECT_FEEDBACK_BATCH.md).
+
+RE-1034: Sixteen original-QVM cases recover268248. A cached pointer returns only before its signed expiry. Otherwise a supplied box query over origin±40/40/52 chooses the first case-insensitive trigger_location candidate, or a linked-list fallback selects visible squared-distance≤best, so later equal-distance entries win. PVS is queried only for candidates within the current bound201326592. Cache fields are not written. Native box/PVS replies and linked identity remain supplied. [Evidence](research/QVM_LOCATION_NEAREST.md).

docs/PROVISIONAL_TODO.md

@@ -2070,3 +2070,5 @@ RE-974–983 completed routing, command rewrite, inactivity, movement-parameter
 
 - [x] RE-1024–1033 resolved-feedback batch:174 paired scenarios with corrected score/counter/radio identities and actual QVM effect bodies ([evidence](research/QVM_EFFECT_FEEDBACK_BATCH.md)).
 - [ ] RE-1034 connect remaining allocation/location/format/ranking/native feedback and migrate legacy labels ([scope](research/QVM_EFFECT_FEEDBACK_BATCH.md#next-work-re-1034)).
+
+- [x] RE-1034 Recover cached trigger and nearest location selection ([evidence](research/QVM_LOCATION_NEAREST.md)).

docs/RESEARCH_LEDGER.md

@@ -2807,3 +2807,7 @@ Forty-eight coherent source cases execute full defuse gates/lookup/distance with
 ## 2026-10-29 — RE-1033 Port full defuse policy with resolved effect bodies
 
 Rust matches48 full-source scenarios with actual constructor/radio/score/counter policies. Selected bomb origin and live teammate table feed the resolved effects rather than fixed synthetic responses. Missing-bomb and paused-score boundaries are preserved; world and feedback stage together on late errors. Tests materialize event84, wrapped score/counter changes and missing/error preservation. Native allocation/link/send/ranking/log and location/formatter boundaries remain explicit. Focused `cargo xtask test-group rust-effect-defuse-complete` passes with deterministic report regeneration and selected regressions. The single `cargo xtask test-full --since 74572275` run at the tenth-commit boundary passed: **1,998 Python tests** across549 modules, **329 Rust tests** (assets10, gameplay289, xtask30), **141 deterministic affected report producers**, storage policy, links across **612 documentation files** and whitespace guards. Regeneration left no changes, including earlier defuse outputs. Focused dependency-registry regression passed. Validation notes are amended into task ten, preserving ten commits. Original assets unchanged; Python uses the flake-declared Nix runtime.
+
+## 2026-10-29 — RE-1034 Recover cached trigger and nearest location selection
+
+Sixteen original-QVM cases recover268248. A cached pointer returns only before its signed expiry. Otherwise a supplied box query over origin±40/40/52 chooses the first case-insensitive trigger_location candidate, or a linked-list fallback selects visible squared-distance≤best, so later equal-distance entries win. PVS is queried only for candidates within the current bound201326592. Cache fields are not written. Native box/PVS replies and linked identity remain supplied. Focused `cargo xtask test-group qvm-location-nearest` passes with deterministic report regeneration and selected regressions. Full suite deferred to task ten. Original assets unchanged; Python uses the flake-declared Nix runtime.

docs/REVERSE_ENGINEERING_TODO.md

@@ -2107,3 +2107,5 @@ RE-974–983 recover routing, command rewriting, inactivity and composed setup t
 
 - [x] RE-1024–1033 resolved-feedback batch:174 paired scenarios with corrected score/counter/radio identities and actual QVM effect bodies ([evidence](research/QVM_EFFECT_FEEDBACK_BATCH.md)).
 - [ ] RE-1034 connect remaining allocation/location/format/ranking/native feedback and migrate legacy labels ([scope](research/QVM_EFFECT_FEEDBACK_BATCH.md#next-work-re-1034)).
+
+- [x] RE-1034 Recover cached trigger and nearest location selection ([evidence](research/QVM_LOCATION_NEAREST.md)).

docs/research/QVM_LOCATION_NEAREST.md

@@ -0,0 +1,5 @@
+# Recover cached trigger and nearest location selection
+
+RE-1034. Focused validation: `cargo xtask test-group qvm-location-nearest`. [Machine report](qvm-location-nearest.json).
+
+Sixteen original-QVM cases recover268248. A cached pointer returns only before its signed expiry. Otherwise a supplied box query over origin±40/40/52 chooses the first case-insensitive trigger_location candidate, or a linked-list fallback selects visible squared-distance≤best, so later equal-distance entries win. PVS is queried only for candidates within the current bound201326592. Cache fields are not written. Native box/PVS replies and linked identity remain supplied.

docs/research/README.md

@@ -1637,3 +1637,5 @@ The extension collector adds five focused tests for native tail calls, command-r
 - [RE-1033: Port full defuse policy with resolved effect bodies](RUST_EFFECT_DEFUSE_COMPLETE.md).
 
 - [Resolved defuse effect feedback: RE-1024–1033](QVM_EFFECT_FEEDBACK_BATCH.md).
+
+- [RE-1034: Recover cached trigger and nearest location selection](QVM_LOCATION_NEAREST.md).

docs/research/qvm-location-nearest.json

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+          1,
+          1
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+      "queries": [
+        [
+          [
+            3256877056,
+            3256877056,
+            3260022784
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+          [
+            1109393408,
+            1109393408,
+            1112539136
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+        "trace_length": 245,
+        "trace_sha256": "4f09f40d1c2004a8fff77c8cb27326d68bbf8929e10bb0691229131345703d7c"
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+        "expiry": 10001,
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+          [
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+            0.0,
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+        "query": [
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+        "tick": 10000,
+        "triggers": [
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+          1
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+        "visible": [
+          1,
+          1,
+          1
+        ]
+      },
+      "pvs": [],
+      "queries": [
+        [
+          [
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+            3256877056,
+            3260022784
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+        "expiry": 10001,
+        "order": [
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+      "pvs": [
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+        0,
+        2
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+      "queries": [
+        [
+          [
+            3256877056,
+            3256877056,
+            3260022784
+          ],
+          [
+            1109393408,
+            1109393408,
+            1112539136
+          ]
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+    }
+  ],
+  "sha256": "a589351dfe517470a1b121dd2164714987d9e4577bf00c6486e1540035d7a79d",
+  "source": {
+    "archive": "zUrT43_qvm.pk3",
+    "archive_sha256": "b59bf0c5bedf11d50e0edd220da7eade96de40601e98ae14c54c819047df0796",
+    "member": {
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+      "date_time": [
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+      "occurrence": 0,
+      "output": "assets/extracted/zUrT43_qvm.pk3/members/000002/vm/qagame.qvm",
+      "path": "vm/qagame.qvm",
+      "sha256": "a589351dfe517470a1b121dd2164714987d9e4577bf00c6486e1540035d7a79d",
+      "type": "member",
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+    }
+  }
+}

scripts/analyze_qvm_location_nearest.py

@@ -0,0 +1,12 @@
+"""Verified original movement-context source contract."""
+from pathlib import Path
+from analyze_qvm import write_json
+from qvm_research_support import source
+from qvm_location_feedback_support import seed,nearest,nearest_fixtures
+
+def main():
+ q,raw,h,ins=source();probes=[]
+ for a in nearest_fixtures():
+  m,b=seed(raw,h,a);m,p,b=nearest(ins,m,b,a);p['input']=a;probes.append(p)
+ write_json(Path('docs/research/qvm-location-nearest.json'),dict(source=q['source'],sha256=q['sha256'],probes=probes,limits='Actual268248 with actual69386 classname comparison. Engine-33 candidates and-27 PVS supplied; finite3D inputs and fixed linked identity. No native spatial-query conformance.'))
+if __name__=='__main__':main()

scripts/qvm_location_feedback_oracle.py

@@ -0,0 +1,18 @@
+"""Independent bounded location-selection and text expectations."""
+from qvm_move_callbacks_oracle import f32,word,signed
+
+def nearest(a):
+ selected=None;queries=[];pvs=[]
+ if a['cache'] is not None and signed(a['tick'])<signed(a['expiry']):selected=a['cache']
+ else:
+  queries=[[[word(v) for v in [-40.,-40.,-52.]],[word(v) for v in [40.,40.,52.]]]]
+  for j in a['query']:
+   if a['triggers'][j]:selected=j;break
+  else:
+   best=201326592.
+   for j in a['order']:
+    p=a['points'][j];d=f32(f32(f32(p[0]*p[0])+f32(p[1]*p[1]))+f32(p[2]*p[2]))
+    if d<=best:
+     pvs.append(j)
+     if a['visible'][j]:best=d;selected=j
+ return dict(selected=selected,queries=queries,pvs=pvs,cache=a['cache'])

scripts/qvm_location_feedback_support.py

@@ -0,0 +1,47 @@
+"""Source location selection/text and their radio/allocation consumers."""
+from qvm_effect_feedback_support import seed as old_seed
+from qvm_client_processing_support import ROOT,ENTITY,CLIENT
+from qvm_camera_world_support import run,casecmp,POOL
+from qvm_byte_memory_support import write_bytes,read_bytes
+from qvm_map_commands_support import put_string
+from qvm_string_memory_support import cstring
+from analyze_qvm_acceleration import word,number
+BASE=ROOT+0x200000
+LOC=[POOL+880*j for j in [5,6,7]]
+
+def seed(raw,h,a):
+ m,b=old_seed(raw,h,a)
+ for p in [31128,31132,31136]:m[p]=int.from_bytes(raw[h['data_offset']+p:h['data_offset']+p+4],'little')
+ for address in [93224,93227]:put_string(m,b,address,raw[h['data_offset']+address:].split(b'\0')[0])
+ return m,b
+
+def nearest_fixtures():
+ defaults=dict(cache=None,expiry=10001,tick=10000,query=[],order=[0,1,2],points=[[10.,0.,0.],[20.,0.,0.],[-10.,0.,0.]],visible=[1,1,1],triggers=[0,0,0])
+ profiles=[{},dict(cache=0),dict(cache=0,expiry=10000),dict(cache=0,expiry=9999),dict(cache=1,tick=0xffffffff,expiry=0),dict(query=[1,0],triggers=[1,1,0]),dict(query=[2,0],triggers=[1,0,0]),dict(query=[0,1]),dict(visible=[1,0,0]),dict(visible=[0,0,0]),dict(order=[]),dict(order=[2,0]),dict(points=[[15000.,0.,0.],[16000.,0.,0.],[17000.,0.,0.]]),dict(visible=[0,1,1]),dict(query=[2],triggers=[0,0,1]),dict(order=[1,0,2],visible=[1,1,0])]
+ return [dict(defaults,**changes,profile=j) for j,changes in enumerate(profiles)]
+
+def nearest_seed(m,b,a):
+ m.update({ENTITY+848:0 if a['cache'] is None else LOC[a['cache']],34992532:a['tick'],34999640:LOC[a['order'][0]] if a['order'] else 0})
+ for j in range(3):
+  m[ENTITY+488+4*j]=word(0.);m[ENTITY+436+4*j]=word([-16.,-16.,-24.][j]);m[ENTITY+448+4*j]=word([16.,16.,32.][j])
+ for j,e in enumerate(LOC):
+  name=BASE+0x10000+128*j;node=BASE+0x11000+32*j
+  put_string(m,b,name,b'TRIGGER_LOCATION' if a['triggers'][j] else b'misc_location');m[e+536]=name;m[e+524]=node;m[e+596]=a['expiry'];m[node+24]=0
+  for k,v in enumerate(a['points'][j]):m[e+488+4*k]=word(v)
+ for j,index in enumerate(a['order']):m[m[LOC[index]+524]+24]=LOC[a['order'][j+1]] if j+1<len(a['order']) else 0
+
+def nearest_run(ins,m,b,a):
+ queries=[];pvs=[]
+ def box(i,m,args,bs):
+  queries.append([[m[args[o]+4*k]&0xffffffff for k in range(3)] for o in [8,12]])
+  assert args[20]==1024
+  changes={args[16]+4*j+k:((5+v)>>(8*k))&255 for j,v in enumerate(a['query']) for k in range(4)};write_bytes(m,dict(bs),changes)
+  return m,len(a['query']),{'engine_box_response_supplied':True,'child_memory_bytes':changes}
+ def compare(i,m,args,bs):
+  m,v,p,b=casecmp(i,m,args,dict(bs),base=BASE+0x30000);return m,v,{'actual_source_child':69386}
+ def visible(i,m,args,bs):
+  j=next(j for j,e in enumerate(LOC) if args[12]==e+488);pvs.append(j);return m,a['visible'][j],{'engine_pvs_response_supplied':True}
+ m,v,p,b=run(ins,m,268248,268635,4228,{8:ENTITY},b,{-33:box,69386:compare,-27:visible},base=BASE)
+ return m,dict(selected=None if not v else LOC.index(v),queries=queries,pvs=pvs,cache=None if not m[ENTITY+848] else LOC.index(m[ENTITY+848]),execution=p['execution']),b
+
+def nearest(ins,m,b,a):nearest_seed(m,b,a);return nearest_run(ins,m,b,a)

scripts/test_qvm_location_nearest.py

@@ -0,0 +1,13 @@
+import json,unittest
+from pathlib import Path
+from qvm_location_feedback_oracle import nearest
+class OriginalTests(unittest.TestCase):
+ def test_original_contract(self):
+  rows=json.loads(Path('docs/research/qvm-location-nearest.json').read_text())['probes'];self.assertEqual(len(rows),16)
+  for p in rows:
+   with self.subTest(input=p['input']):
+    for k,v in nearest(p['input']).items():self.assertEqual(p[k],v,k)
+ def test_fixture_identity_and_trace(self):
+  r=json.loads(Path('docs/research/qvm-location-nearest.json').read_text());self.assertEqual(len(r['sha256']),64)
+  self.assertTrue(all(p['execution']['trace_length']>0 for p in r['probes']))
+if __name__=='__main__':unittest.main()

xtask/checks.tsv

@@ -4519,3 +4519,7 @@ edge	crates/urt-gameplay/src/bin/urt-effect-feedback.rs	scripts/analyze_rust_eff
 edge	crates/urt-gameplay/src/score.rs	scripts/analyze_rust_effect_defuse_complete.py
 edge	crates/urt-gameplay/src/transition.rs	scripts/analyze_rust_effect_defuse_complete.py
 edge	crates/urt-gameplay/src/defuse.rs	scripts/analyze_rust_effect_defuse_complete.py
+report	scripts/analyze_qvm_location_nearest.py	docs/research/qvm-location-nearest.json
+edge	docs/research/qvm-location-nearest.json	scripts/test_qvm_location_nearest.py
+group	qvm-location-nearest	scripts/analyze_qvm_location_nearest.py
+edge	scripts/analyze_qvm_location_nearest.py	scripts/analyze_qvm_resumer_audit.py