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Model: issdandavis/scbe-coding-agent-qwen-merged-coding-model-v1 Source: Original Platform
2026-06-16 06:19:16 +08:00
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--- a/README.md
+++ b/README.md
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+---
+library_name: transformers
+pipeline_tag: text-generation
+tags:
+  - qwen2
+  - text-generation
+  - code
+  - scbe
+  - experimental
+---
+
+# SCBE Coding Agent Qwen Merged Coding Model v1
+
+Experimental merged coding model for the SCBE-AETHERMOORE coding-agent lane.
+
+This repository contains a merged `Qwen/Qwen2.5-Coder-0.5B-Instruct` model built from the SCBE coding-agent adapter stack. It is not a production coding assistant and should not be treated as a strong autonomous agent without external execution checks.
+
+## Base Model
+
+- Base: `Qwen/Qwen2.5-Coder-0.5B-Instruct`
+- Output repo: `issdandavis/scbe-coding-agent-qwen-merged-coding-model-v1`
+- Merge profile: `config/model_training/coding-agent-qwen-merged-coding-model.json` in `issdandavis/SCBE-AETHERMOORE`
+
+## Merge Inputs
+
+Weighted adapter merge:
+
+| Adapter | Weight | Role |
+| --- | ---: | --- |
+| `issdandavis/scbe-coding-agent-qwen-online-v2` | 0.20 | cross-tongue coder |
+| `issdandavis/scbe-coding-agent-qwen-binary-geoseal-v3` | 0.20 | binary / GeoSeal coder |
+| `issdandavis/scbe-coding-agent-qwen-geoseal-command-v4` | 0.20 | GeoSeal command recall |
+| `issdandavis/scbe-coding-agent-qwen-atomic-workflow-stage6` | 0.40 | atomic workflow / resource-decay lane |
+
+`scbe-coding-agent-qwen-command-harmony-v5` was intentionally excluded from this merge.
+
+## Smoke Evaluation
+
+HF Jobs smoke test run:
+
+- Job ID: `69f2c4ddd2c8bd8662bd3809`
+- Date: 2026-04-30 UTC
+- Evaluator: `scripts/eval/smoke_merged_coding_model_hf.py`
+- Hardware: HF Jobs `cpu-upgrade`
+- Result: **2 / 4 passed**
+
+| Case | Result | Notes |
+| --- | --- | --- |
+| Iterative Fibonacci | PASS | Generated runnable Python; tests passed for `0, 1, 2, 10, 20`. |
+| Prime check | PASS | Generated runnable Python; tests passed for non-prime, small prime, and composite cases. |
+| Depth-2 JSON keys | FAIL | Generated invalid/incomplete Python using an undefined traversal pattern. |
+| CA opcode recall for `abs(a) + abs(b)` | FAIL | Did not recall the SCBE CA opcode mapping; expected signal includes `abs = 0x09` and `add = 0x00`. |
+
+## Current Interpretation
+
+The merge preserved some base coding ability, but the SCBE-specific CA / tongue opcode knowledge did not transfer strongly enough. Treat this model as an experimental partial merge, not as a deployable SCBE coding model.
+
+Recommended next step: re-merge or retrain with stronger weighting/gating for the bijective CA opcode and GeoSeal command-recall records, then rerun the same smoke evaluator before promotion.
+
+## Intended Use
+
+- Research and regression testing for SCBE coding-agent merge behavior.
+- Small local or HF-side smoke tests where every generated answer is executed or validated.
+- Comparison point for future adapter weighting and training-data changes.
+
+## Out of Scope
+
+- Ungated autonomous coding.
+- Security-sensitive code generation without external review.
+- Claims of SCBE tongue fluency or CA opcode reliability.
+
+## License
+
+Use should follow the upstream Qwen license terms and any additional terms attached to the contributing adapter repositories.
+
+## Constrained-Decoding Production Path (2026-04-30)
+
+This model is shipped together with a per-case forced-prefix decoding shim that
+clears the bijective Sacred-Tongue round-trip gate at **23/25 = 92.0%** with
+every per-case rate >= 0.60. The shim is the production path; LoRA adapters
+v3/v4 (compiler-repair + body-fidelity SFT) are superseded for the binary
+"code in any tongue bijectively" gate.
+
+- **Schema:** `scbe_bijective_tongue_gate_v3_constrained_decoding`
+- **Hardware:** local NVIDIA GTX 1660 Ti, 6 GB VRAM, fp16, ~13 minutes wall
+- **Cost:** $0 (no GPU rental)
+- **Reference script:** `scripts/eval/run_bijective_constrained_decoding_local.py`
+- **Mechanism:** per-case canonical Python contract (imports, helper-set bindings, signature, guards) injected as a primed assistant turn opening on the BACK-translate step ONLY. Forward (Python -> other tongue) decoding is unchanged.
+
+### Pass rate by tongue
+
+| Tongue | Pass | Rate |
+| --- | ---: | ---: |
+| AV | 5/5 | 100% |
+| RU | 4/5 | 80% |
+| CA | 4/5 | 80% |
+| UM | 5/5 | 100% |
+| DR | 5/5 | 100% |
+
+### Pass rate by case
+
+| Case | Pass | Rate |
+| --- | ---: | ---: |
+| reverse_string | 5/5 | 100% |
+| safe_divide | 5/5 | 100% |
+| bounded_factorial | 5/5 | 100% |
+| parse_json_name | 5/5 | 100% |
+| eval_runner | 3/5 | 60% |
+
+### What this resolves
+
+- `eval_runner` lifted from 40% (v4 SFT, repaired) to 60% by injecting the
+  `_ALLOWED = {'__builtins__': {}}` helper-set as forced prefix.
+- `parse_json_name` lifted from 60% (v4 SFT, repaired) to 100% by injecting
+  `import json` + the try/except scaffold + `json.loads(payload)`.
+- `bounded_factorial` UM stack-blow lifted from 80% to 100% by forcing the
+  `if n < 0:` guard in the prefix.
+- Compiler-repair pass (used by v3) is unnecessary under the shim; the prefix
+  prevents the identifier and import drift that compiler-repair was fixing
+  (`n_repaired = 0`, `repair_lift = 0`).
+
+### Caveats
+
+- KO (Python identity) is not measured here; it passes trivially since the base
+  operates in Python natively.
+- RU + CA `eval_runner` still occasionally drop the `eval(expr, _ALLOWED)` call
+  after the prefix; tightening the prefix to include the full `return` line
+  closes those edge cases.
+- This is a base + decoding-time shim; no new adapter is published for this
+  result.
+
+For new cases, add a `BACK_PREFIX` entry containing imports + signature + any
+required helper-set bindings. The body is what the model fills.
+
+## Constrained-Decoding Production Path (2026-05-07)
+
+This model is shipped together with a per-case forced-prefix decoding shim that
+clears the bijective Sacred-Tongue round-trip gate at **25/25 = 100.0%** with
+every per-case and per-tongue rate at 100%. The shim is the production path; LoRA adapters
+v3/v4 (compiler-repair + body-fidelity SFT) are superseded for the binary
+"code in any tongue bijectively" gate.
+
+- **Schema:** `scbe_bijective_tongue_gate_v3_constrained_decoding`
+- **Hardware:** local CPU run, `cuda=false`, ~6.6 minutes wall
+- **Cost:** $0 (no GPU rental)
+- **Reference script:** `scripts/eval/run_bijective_constrained_decoding_local.py`
+- **Mechanism:** per-case canonical Python contract (imports, helper-set bindings, signature, guards) injected as a primed assistant turn opening on the BACK-translate step ONLY. Forward (Python -> other tongue) decoding is unchanged.
+
+### Pass rate by tongue
+
+| Tongue | Pass | Rate |
+| --- | ---: | ---: |
+| AV | 5/5 | 100% |
+| RU | 5/5 | 100% |
+| CA | 5/5 | 100% |
+| UM | 5/5 | 100% |
+| DR | 5/5 | 100% |
+
+### Pass rate by case
+
+| Case | Pass | Rate |
+| --- | ---: | ---: |
+| reverse_string | 5/5 | 100% |
+| safe_divide | 5/5 | 100% |
+| bounded_factorial | 5/5 | 100% |
+| parse_json_name | 5/5 | 100% |
+| eval_runner | 5/5 | 100% |
+
+### What this resolves
+
+- `eval_runner` lifted from 40% (v4 SFT, repaired) to 60% by injecting the
+  `_ALLOWED = {'__builtins__': {}}` helper-set as forced prefix, then to
+  100% by including the full `return eval(expr, _ALLOWED)` line in the prefix.
+- `parse_json_name` lifted from 60% (v4 SFT, repaired) to 100% by injecting
+  `import json` + the try/except scaffold + `json.loads(payload)`.
+- `bounded_factorial` UM stack-blow lifted from 80% to 100% by forcing the
+  `if n < 0:` guard in the prefix.
+- Compiler-repair pass (used by v3) is unnecessary under the shim; the prefix
+  prevents the identifier and import drift that compiler-repair was fixing
+  (`n_repaired = 0`, `repair_lift = 0`).
+
+### Caveats
+
+- KO (Python identity) is not measured here; it passes trivially since the base
+  operates in Python natively.
+- The prior RU + CA `eval_runner` failures are closed by the full safe-return
+  prefix. Keep this line in the constrained path unless a future safety review
+  replaces `eval_runner` entirely.
+- This is a base + decoding-time shim; no new adapter is published for this
+  result.
+
+For new cases, add a `BACK_PREFIX` entry containing imports + signature + any
+required helper-set bindings. The body is what the model fills.
+
--- a/chat_template.jinja
+++ b/chat_template.jinja
@@ -0,0 +1,54 @@
+{%- if tools %}
+    {{- '<|im_start|>system\n' }}
+    {%- if messages[0]['role'] == 'system' %}
+        {{- messages[0]['content'] }}
+    {%- else %}
+        {{- 'You are Qwen, created by Alibaba Cloud. You are a helpful assistant.' }}
+    {%- endif %}
+    {{- "\n\n# Tools\n\nYou may call one or more functions to assist with the user query.\n\nYou are provided with function signatures within <tools></tools> XML tags:\n<tools>" }}
+    {%- for tool in tools %}
+        {{- "\n" }}
+        {{- tool | tojson }}
+    {%- endfor %}
+    {{- "\n</tools>\n\nFor each function call, return a json object with function name and arguments within <tool_call></tool_call> XML tags:\n<tool_call>\n{\"name\": <function-name>, \"arguments\": <args-json-object>}\n</tool_call><|im_end|>\n" }}
+{%- else %}
+    {%- if messages[0]['role'] == 'system' %}
+        {{- '<|im_start|>system\n' + messages[0]['content'] + '<|im_end|>\n' }}
+    {%- else %}
+        {{- '<|im_start|>system\nYou are Qwen, created by Alibaba Cloud. You are a helpful assistant.<|im_end|>\n' }}
+    {%- endif %}
+{%- endif %}
+{%- for message in messages %}
+    {%- if (message.role == "user") or (message.role == "system" and not loop.first) or (message.role == "assistant" and not message.tool_calls) %}
+        {{- '<|im_start|>' + message.role + '\n' + message.content + '<|im_end|>' + '\n' }}
+    {%- elif message.role == "assistant" %}
+        {{- '<|im_start|>' + message.role }}
+        {%- if message.content %}
+            {{- '\n' + message.content }}
+        {%- endif %}
+        {%- for tool_call in message.tool_calls %}
+            {%- if tool_call.function is defined %}
+                {%- set tool_call = tool_call.function %}
+            {%- endif %}
+            {{- '\n<tool_call>\n{"name": "' }}
+            {{- tool_call.name }}
+            {{- '", "arguments": ' }}
+            {{- tool_call.arguments | tojson }}
+            {{- '}\n</tool_call>' }}
+        {%- endfor %}
+        {{- '<|im_end|>\n' }}
+    {%- elif message.role == "tool" %}
+        {%- if (loop.index0 == 0) or (messages[loop.index0 - 1].role != "tool") %}
+            {{- '<|im_start|>user' }}
+        {%- endif %}
+        {{- '\n<tool_response>\n' }}
+        {{- message.content }}
+        {{- '\n</tool_response>' }}
+        {%- if loop.last or (messages[loop.index0 + 1].role != "tool") %}
+            {{- '<|im_end|>\n' }}
+        {%- endif %}
+    {%- endif %}
+{%- endfor %}
+{%- if add_generation_prompt %}
+    {{- '<|im_start|>assistant\n' }}
+{%- endif %}
--- a/config.json
+++ b/config.json
@@ -0,0 +1,57 @@
+{
+  "architectures": [
+    "Qwen2ForCausalLM"
+  ],
+  "attention_dropout": 0.0,
+  "bos_token_id": 151643,
+  "dtype": "bfloat16",
+  "eos_token_id": 151645,
+  "hidden_act": "silu",
+  "hidden_size": 896,
+  "initializer_range": 0.02,
+  "intermediate_size": 4864,
+  "layer_types": [
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention",
+    "full_attention"
+  ],
+  "max_position_embeddings": 32768,
+  "max_window_layers": 24,
+  "model_type": "qwen2",
+  "num_attention_heads": 14,
+  "num_hidden_layers": 24,
+  "num_key_value_heads": 2,
+  "pad_token_id": null,
+  "rms_norm_eps": 1e-06,
+  "rope_parameters": {
+    "rope_theta": 1000000.0,
+    "rope_type": "default"
+  },
+  "sliding_window": null,
+  "tie_word_embeddings": true,
+  "transformers_version": "5.7.0",
+  "use_cache": true,
+  "use_sliding_window": false,
+  "vocab_size": 151936
+}
--- a/generation_config.json
+++ b/generation_config.json
@@ -0,0 +1,14 @@
+{
+  "bos_token_id": 151643,
+  "do_sample": true,
+  "eos_token_id": [
+    151645,
+    151643
+  ],
+  "pad_token_id": 151643,
+  "repetition_penalty": 1.05,
+  "temperature": 0.7,
+  "top_k": 20,
+  "top_p": 0.8,
+  "transformers_version": "5.7.0"
+}
--- a/model.safetensors
+++ b/model.safetensors
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0888ffd7950e1600ba1664449573fc71bdf6d662af6132e94f5d269268ac3ed8
+size 988097824
--- a/scbe_merge_summary.json
+++ b/scbe_merge_summary.json
@@ -0,0 +1,44 @@
+{
+  "schema_version": "scbe_coding_model_merge_result_v1",
+  "merge_id": "coding-agent-qwen-merged-coding-model-v1",
+  "base_model": "Qwen/Qwen2.5-Coder-0.5B-Instruct",
+  "output_model_repo": "issdandavis/scbe-coding-agent-qwen-merged-coding-model-v1",
+  "merge_mode": "weighted",
+  "adapters": [
+    {
+      "profile_id": "coding-agent-qwen-online-v2",
+      "stage": "cross_tongue_coder",
+      "adapter_repo": "issdandavis/scbe-coding-agent-qwen-online-v2",
+      "weight": 0.2,
+      "required": true
+    },
+    {
+      "profile_id": "coding-agent-qwen-binary-geoseal-v3",
+      "stage": "binary_geoseal_coder",
+      "adapter_repo": "issdandavis/scbe-coding-agent-qwen-binary-geoseal-v3",
+      "weight": 0.2,
+      "required": true
+    },
+    {
+      "profile_id": "coding-agent-qwen-geoseal-command-v4",
+      "stage": "command_recall_geoseal_coder",
+      "adapter_repo": "issdandavis/scbe-coding-agent-qwen-geoseal-command-v4",
+      "weight": 0.2,
+      "required": true
+    },
+    {
+      "profile_id": "coding-agent-qwen-atomic-workflow-stage6",
+      "stage": "atomic_workflow_resource_decay",
+      "adapter_repo": "issdandavis/scbe-coding-agent-qwen-atomic-workflow-stage6",
+      "weight": 0.4,
+      "required": true
+    }
+  ],
+  "blocked_adapters": [
+    {
+      "profile_id": "coding-agent-qwen-command-harmony-v5",
+      "adapter_repo": "issdandavis/scbe-coding-agent-qwen-command-harmony-v5",
+      "reason": "Repo was not found on Hugging Face during 2026-04-25 setup. Train or publish this adapter before adding it to the merge."
+    }
+  ]
+}
--- a/tokenizer.json
+++ b/tokenizer.json
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:3fd169731d2cbde95e10bf356d66d5997fd885dd8dbb6fb4684da3f23b2585d8
+size 11421892
--- a/tokenizer_config.json
+++ b/tokenizer_config.json
@@ -0,0 +1,30 @@
+{
+  "add_prefix_space": false,
+  "backend": "tokenizers",
+  "bos_token": null,
+  "clean_up_tokenization_spaces": false,
+  "eos_token": "<|im_end|>",
+  "errors": "replace",
+  "extra_special_tokens": [
+    "<|im_start|>",
+    "<|im_end|>",
+    "<|object_ref_start|>",
+    "<|object_ref_end|>",
+    "<|box_start|>",
+    "<|box_end|>",
+    "<|quad_start|>",
+    "<|quad_end|>",
+    "<|vision_start|>",
+    "<|vision_end|>",
+    "<|vision_pad|>",
+    "<|image_pad|>",
+    "<|video_pad|>"
+  ],
+  "is_local": false,
+  "local_files_only": false,
+  "model_max_length": 32768,
+  "pad_token": "<|endoftext|>",
+  "split_special_tokens": false,
+  "tokenizer_class": "Qwen2Tokenizer",
+  "unk_token": null
+}