Prune QHexRT HNPU bundle to runtime-minimum artifacts

Strip non-runtime _comment metadata from 1 manifest(s) without changing runtime fields.
Audit artifacts: QHexRT/hf_hnpu_audit cleanup plan, manifest reference check, and multi-agent review.

v81/nv-embedcode-7b.json

@@ -1,17 +1,48 @@
 {
   "schema_version": 1,
-  "_comment": "NV-EmbedCode-7B (MistralBiDirectional + avg-pool) on Hexagon v81. 7B encoder split into 4 chained W8 context parts via llama_embed_sharded. Host-rope (no Gather), PLAIN rope (Mistral theta 10000, factor 1), bidirectional. Encoder S=128, head_dim 128.",
-  "model": {"name": "nv-embedcode-7b", "family": "embedding", "dsp_arch": "v81", "tokenizer_pre": "default"},
-  "params": {"hidden": 4096, "vocab": 32000, "n_layers": 32, "head_dim": 128, "max_ctx": 128, "eos_token_id": 2},
+  "model": {
+    "name": "nv-embedcode-7b",
+    "family": "embedding",
+    "dsp_arch": "v81",
+    "tokenizer_pre": "default"
+  },
+  "params": {
+    "hidden": 4096,
+    "vocab": 32000,
+    "n_layers": 32,
+    "head_dim": 128,
+    "max_ctx": 128,
+    "eos_token_id": 2
+  },
   "artifacts": {
     "contexts": {
-      "enc_p0": {"bin": "nvembedcode7b_enc_p0_w8.bin"},
-      "enc_p1": {"bin": "nvembedcode7b_enc_p1_w8.bin"},
-      "enc_p2": {"bin": "nvembedcode7b_enc_p2_w8.bin"},
-      "enc_p3": {"bin": "nvembedcode7b_enc_p3_w8.bin"}
+      "enc_p0": {
+        "bin": "nvembedcode7b_enc_p0_w8.bin"
+      },
+      "enc_p1": {
+        "bin": "nvembedcode7b_enc_p1_w8.bin"
+      },
+      "enc_p2": {
+        "bin": "nvembedcode7b_enc_p2_w8.bin"
+      },
+      "enc_p3": {
+        "bin": "nvembedcode7b_enc_p3_w8.bin"
+      }
     },
     "embed": "nvembedcode7b_embed_f16.bin",
     "tokenizer": "tokenizer.json"
   },
-  "plan": {"steps": [{"host": "llama_embed_sharded", "params": {"encoder_parts": "nvembedcode7b_enc_p0_w8,nvembedcode7b_enc_p1_w8,nvembedcode7b_enc_p2_w8,nvembedcode7b_enc_p3_w8", "rope_factor": 1.0, "rope_theta": 10000.0, "neg": -50000}}]}
+  "plan": {
+    "steps": [
+      {
+        "host": "llama_embed_sharded",
+        "params": {
+          "encoder_parts": "nvembedcode7b_enc_p0_w8,nvembedcode7b_enc_p1_w8,nvembedcode7b_enc_p2_w8,nvembedcode7b_enc_p3_w8",
+          "rope_factor": 1.0,
+          "rope_theta": 10000.0,
+          "neg": -50000
+        }
+      }
+    ]
+  }
 }