docs(agent): preserve truncated candidate download and range checks

Author: chaxus

docs/evaluations/2026-10-07-qwen3-instruct2507-q6-download-failed-attempt1.json

@@ -0,0 +1,13 @@
+{
+  "files": [
+    {
+      "file": "Qwen3-4B-Instruct-2507-Q6_K.gguf",
+      "bytes": 841791698,
+      "sha256": "9d5a129aa89f0e0f843a71f948dca7233ab624d9b735a6de21c8020d80d4f594",
+      "durationSeconds": 139.87
+    }
+  ],
+  "scope": "Full pinned community quantization artifact byte verification before browser loading",
+  "verified": false,
+  "error": "Pinned shard integrity mismatch"
+}

docs/evaluations/2026-10-07-qwen3-instruct2507-q6-range-preflight.json

@@ -0,0 +1,11 @@
+{
+  "scope": "Single-byte range preflight after terminal truncated download; no model inference",
+  "status": 206,
+  "headers": {
+    "content-length": "1",
+    "content-range": "bytes 841791698-841791698/3306260928",
+    "accept-ranges": "bytes",
+    "content-type": "application/octet-stream"
+  },
+  "byteCount": 1
+}

docs/evaluations/2026-10-07-qwen3-instruct2507-q6-verifier-counterchecks.json

@@ -0,0 +1,17 @@
+[
+  {
+    "countercheck": "synthetic mechanics",
+    "exitCode": 0,
+    "scope": "Synthetic verifier data copied from prior Q4 receipt; no Q6 load or inference occurred."
+  },
+  {
+    "countercheck": "wrong Q6 hash",
+    "exitCode": 1,
+    "scope": "Synthetic verifier data copied from prior Q4 receipt; no Q6 load or inference occurred."
+  },
+  {
+    "countercheck": "wrong redo document",
+    "exitCode": 1,
+    "scope": "Synthetic verifier data copied from prior Q4 receipt; no Q6 load or inference occurred."
+  }
+]