{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# SakThai 7B Engine — Qwen2.5-7B LoRA Fine-tune\n",
    "\n",
    "**Kaggle → HF Pipeline with Validation + Benchmark**\n",
    "\n",
    "Trains a LoRA adapter on Qwen2.5-7B-Instruct using the sakthai-combined-v5 dataset,\n",
    "runs tool-calling validation, and pushes everything to Hugging Face Hub.\n",
    "\n",
    "All free — Kaggle T4 GPU, no paid services.\n",
    "\n",
    "---\n",
    "### Setup\n",
    "Set your HF token as a **Kaggle Secret** named `HF_TOKEN`:\n",
    "1. Go to the Kaggle Notebook sidebar → **Add-ons** → **Secrets**\n",
    "2. Add a new secret with name `HF_TOKEN` and your HF write token\n",
    "3. Enable access for this notebook"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# ─── Install deps ───────────────────────────────────────\n",
    "!pip install -qU \\\n",
    "    transformers==4.49.0 \\\n",
    "    datasets==3.5.0 \\\n",
    "    accelerate==1.6.0 \\\n",
    "    peft==0.15.2 \\\n",
    "    trl==0.18.0 \\\n",
    "    bitsandbytes==0.46.0 \\\n",
    "    huggingface_hub==0.30.1\n",
    "\n",
    "# BFCL deps (for post-training benchmark)\n",
    "!pip install -qU \\\n",
    "    nest-asyncio \\\n",
    "    openai \\\n",
    "    json5\n",
    "\n",
    "print(\"✅ All deps installed\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import os\n",
    "import json\n",
    "import torch\n",
    "import datetime\n",
    "from huggingface_hub import login, HfApi\n",
    "from datasets import load_dataset\n",
    "from transformers import (\n",
    "    AutoModelForCausalLM,\n",
    "    AutoTokenizer,\n",
    "    BitsAndBytesConfig,\n",
    "    TrainingArguments\n",
    ")\n",
    "from peft import LoraConfig, get_peft_model, PeftModel\n",
    "from trl import SFTTrainer\n",
    "\n",
    "# ─── Config ─────────────────────────────────────────────\n",
    "HF_TOKEN = os.environ.get(\"HF_TOKEN\")\n",
    "BASE_MODEL = \"Qwen/Qwen2.5-7B-Instruct\"\n",
    "DATASET_ID = \"Nanthasit/sakthai-combined-v5\"\n",
    "HF_USER = \"Nanthasit\"\n",
    "ADAPTER_REPO = f\"{HF_USER}/sakthai-7b-lora-kaggle\"\n",
    "MERGED_REPO = f\"{HF_USER}/sakthai-context-7b-tools\"\n",
    "LOG_DIR = \"./sakthai-7b-report\"\n",
    "os.makedirs(LOG_DIR, exist_ok=True)\n",
    "\n",
    "REPORT = {\n",
    "    \"model\": BASE_MODEL,\n",
    "    \"dataset\": DATASET_ID,\n",
    "    \"adapter_repo\": ADAPTER_REPO,\n",
    "    \"merged_repo\": MERGED_REPO,\n",
    "    \"start_time\": str(datetime.datetime.now()),\n",
    "    \"training\": {},\n",
    "    \"validation\": [],\n",
    "    \"benchmark\": {},\n",
    "}\n",
    "\n",
    "print(f\"Base model: {BASE_MODEL}\")\n",
    "print(f\"Dataset: {DATASET_ID}\")\n",
    "print(f\"Output adapter: {ADAPTER_REPO}\")\n",
    "print(f\"Merged model: {MERGED_REPO}\")\n",
    "print(f\"HF_TOKEN set: {HF_TOKEN is not None}\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# ─── Auth ───────────────────────────────────────────────\n",
    "if HF_TOKEN:\n",
    "    login(token=HF_TOKEN, add_to_git_credential=True)\n",
    "    api = HfApi()\n",
    "    print(f\"✅ Authenticated as: {api.whoami()['name']}\")\n",
    "else:\n",
    "    raise ValueError(\"❌ HF_TOKEN not set! Add it as a Kaggle Secret.\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# ─── 1. Load dataset ──────────────────────────────────────\n",
    "print(\"Loading dataset...\")\n",
    "dataset = load_dataset(DATASET_ID, split=\"train\")\n",
    "dataset = dataset.shuffle(seed=42).select(range(min(500, len(dataset))))\n",
    "print(f\"Raw samples: {len(dataset)}\")\n",
    "\n",
    "# Count tool-calling vs non-tool examples\n",
    "tool_count = 0\n",
    "for ex in dataset:\n",
    "    for msg in ex.get(\"messages\", []):\n",
    "        if \"tool_calls\" in msg and msg[\"tool_calls\"]:\n",
    "            tool_count += 1\n",
    "            break\n",
    "print(f\"Tool-calling examples: {tool_count} / {len(dataset)}\")\n",
    "REPORT['training']['dataset_stats'] = {\n",
    "    \"total\": len(dataset),\n",
    "    \"tool_calling\": tool_count,\n",
    "    \"non_tool\": len(dataset) - tool_count,\n",
    "}\n",
    "\n",
    "# Convert to text format (preserving tool_calls)\n",
    "def fmt_tool_calls(tcs):\n",
    "    \"\"\"Format tool_calls as JSON inside XML tags for training.\"\"\"\n",
    "    if not tcs:\n",
    "        return \"\"\n",
    "    parts = []\n",
    "    for tc in tcs:\n",
    "        fn = tc.get(\"function\", {})\n",
    "        name = fn.get(\"name\", \"unknown\")\n",
    "        args = fn.get(\"arguments\", {})\n",
    "        if isinstance(args, str):\n",
    "            try:\n",
    "                args = json.loads(args)\n",
    "            except json.JSONDecodeError:\n",
    "                args = {\"raw\": args}\n",
    "        parts.append(f'<tool_call>{\"function\": {\"name\": \"{name}\", \"arguments\": {json.dumps(args)}}}<|tool_end|>')\n",
    "    return \"\\n\".join(parts)\n",
    "\n",
    "def fmt(example):\n",
    "    text = \"\"\n",
    "    for msg in example[\"messages\"]:\n",
    "        role = msg[\"role\"]\n",
    "        content = msg.get(\"content\", \"\")\n",
    "        if role == \"system\":\n",
    "            text += f\"<|im_start|>system\\n{content}<|im_end|>\\n\"\n",
    "        elif role == \"user\":\n",
    "            text += f\"<|im_start|>user\\n{content}<|im_end|>\\n\"\n",
    "        elif role == \"assistant\":\n",
    "            tc_text = fmt_tool_calls(msg.get(\"tool_calls\"))\n",
    "            if tc_text:\n",
    "                text += f\"<|im_start|>assistant\\n{tc_text}\\n{content}<|im_end|>\\n\"\n",
    "            else:\n",
    "                text += f\"<|im_start|>assistant\\n{content}<|im_end|>\\n\"\n",
    "        elif role == \"tool\":\n",
    "            text += f\"<|im_start|>tool\\n{content}<|im_end|>\\n\"\n",
    "    return {\"text\": text}\n",
    "\n",
    "dataset = dataset.map(fmt)\n",
    "dataset = dataset.train_test_split(test_size=0.05, seed=42)\n",
    "train_data = dataset[\"train\"]\n",
    "eval_data = dataset[\"test\"]\n",
    "\n",
    "print(f\"Train: {len(train_data)} samples\")\n",
    "print(f\"Eval: {len(eval_data)} samples\")\n",
    "print(f\"\\n📝 Sample:\\n{train_data[0]['text'][:400]}...\")\n",
    "REPORT['training']['train_samples'] = len(train_data)\n",
    "REPORT['training']['eval_samples'] = len(eval_data)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# ─── 2. Load model + tokenizer (4-bit QLoRA) ──────────────\n",
    "print(\"Loading model in 4-bit...\")\n",
    "quant_config = BitsAndBytesConfig(\n",
    "    load_in_4bit=True,\n",
    "    bnb_4bit_compute_dtype=torch.bfloat16,\n",
    "    bnb_4bit_quant_type=\"nf4\",\n",
    "    bnb_4bit_use_double_quant=True,\n",
    ")\n",
    "\n",
    "model = AutoModelForCausalLM.from_pretrained(\n",
    "    BASE_MODEL,\n",
    "    quantization_config=quant_config,\n",
    "    device_map=\"auto\",\n",
    "    torch_dtype=torch.bfloat16,\n",
    "    trust_remote_code=True,\n",
    ")\n",
    "\n",
    "tokenizer = AutoTokenizer.from_pretrained(\n",
    "    BASE_MODEL,\n",
    "    trust_remote_code=True,\n",
    ")\n",
    "tokenizer.pad_token = tokenizer.eos_token\n",
    "tokenizer.padding_side = \"right\"\n",
    "\n",
    "print(f\"✅ Model loaded: {model.config._name_or_path}\")\n",
    "print(f\"Params: {model.num_parameters():,}\")\n",
    "REPORT['training']['model_params'] = model.num_parameters()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# ─── 3. LoRA config ───────────────────────────────────────\n",
    "# For 7B: r=8 saves more memory, keep target modules same\n",
    "lora_config = LoraConfig(\n",
    "    r=8,\n",
    "    lora_alpha=16,\n",
    "    target_modules=[\"q_proj\", \"k_proj\", \"v_proj\", \"o_proj\", \"gate_proj\", \"up_proj\", \"down_proj\"],\n",
    "    lora_dropout=0.05,\n",
    "    bias=\"none\",\n",
    "    task_type=\"CAUSAL_LM\",\n",
    ")\n",
    "\n",
    "model = get_peft_model(model, lora_config)\n",
    "model.print_trainable_parameters()\n",
    "trainable = sum(p.numel() for p in model.parameters() if p.requires_grad)\n",
    "total = sum(p.numel() for p in model.parameters())\n",
    "REPORT['training']['trainable_params'] = trainable\n",
    "REPORT['training']['total_params'] = total\n",
    "print(f\"Trainable: {trainable:,} / {total:,} ({100*trainable/total:.2f}%)\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# ─── 4. Training ───────────────────────────────────────────\n",
    "# Smaller batch for 7B on T4 16GB\n",
    "training_args = TrainingArguments(\n",
    "    output_dir=\"./sakthai-7b-lora\",\n",
    "    num_train_epochs=3,\n",
    "    per_device_train_batch_size=1,\n",
    "    per_device_eval_batch_size=1,\n",
    "    gradient_accumulation_steps=16,\n",
    "    gradient_checkpointing=True,\n",
    "    optim=\"adamw_8bit\",\n",
    "    learning_rate=2e-4,\n",
    "    lr_scheduler_type=\"cosine\",\n",
    "    warmup_ratio=0.03,\n",
    "    logging_steps=5,\n",
    "    eval_strategy=\"steps\",\n",
    "    eval_steps=50,\n",
    "    save_strategy=\"steps\",\n",
    "    save_steps=100,\n",
    "    save_total_limit=2,\n",
    "    load_best_model_at_end=True,\n",
    "    metric_for_best_model=\"eval_loss\",\n",
    "    bf16=torch.cuda.is_bf16_supported(),\n",
    "    fp16=not torch.cuda.is_bf16_supported(),\n",
    "    report_to=\"none\",\n",
    "    push_to_hub=False,\n",
    "    ddp_find_unused_parameters=False,\n",
    ")\n",
    "\n",
    "trainer = SFTTrainer(\n",
    "    model=model,\n",
    "    tokenizer=tokenizer,\n",
    "    args=training_args,\n",
    "    train_dataset=train_data,\n",
    "    eval_dataset=eval_data,\n",
    "    max_seq_length=1024,\n",
    "    dataset_text_field=\"text\",\n",
    ")\n",
    "\n",
    "print(\"🚀 Starting training...\")\n",
    "trainer.train()\n",
    "\n",
    "# ─── Save best model ────────────────────────────────────────\n",
    "trainer.save_model(\"./sakthai-7b-lora-best\")\n",
    "tokenizer.save_pretrained(\"./sakthai-7b-lora-best\")\n",
    "\n",
    "# Record training metrics\n",
    "log_history = trainer.state.log_history\n",
    "final_loss = None\n",
    "best_eval_loss = float('inf')\n",
    "for entry in log_history:\n",
    "    if 'loss' in entry:\n",
    "        final_loss = entry['loss']\n",
    "    if 'eval_loss' in entry and entry['eval_loss'] < best_eval_loss:\n",
    "        best_eval_loss = entry['eval_loss']\n",
    "\n",
    "REPORT['training']['final_train_loss'] = final_loss\n",
    "REPORT['training']['best_eval_loss'] = best_eval_loss\n",
    "REPORT['training']['epochs'] = 3\n",
    "REPORT['training']['end_time'] = str(datetime.datetime.now())\n",
    "print(f\"\\n✅ Training complete!\")\n",
    "print(f\"Final train loss: {final_loss:.4f}\")\n",
    "print(f\"Best eval loss: {best_eval_loss:.4f}\")\n",
    "print(f\"Best model saved to ./sakthai-7b-lora-best\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# ─── 5. Validation — Tool-calling test prompts ────────────\n",
    "print(\"=\"*50)\n",
    "print(\"🔍 VALIDATION: Tool-calling tests\")\n",
    "print(\"=\"*50)\n",
    "\n",
    "# Load best adapter for testing\n",
    "test_model = PeftModel.from_pretrained(model, \"./sakthai-7b-lora-best\")\n",
    "\n",
    "VALIDATION_PROMPTS = [\n",
    "    {\n",
    "        \"name\": \"simple_search\",\n",
    "        \"prompt\": \"Search the web for latest AI news\",\n",
    "        \"expects_tool_call\": True,\n",
    "    },\n",
    "    {\n",
    "        \"name\": \"parallel_tools\",\n",
    "        \"prompt\": \"What's the weather in Tokyo and London?\",\n",
    "        \"expects_tool_call\": True,\n",
    "    },\n",
    "    {\n",
    "        \"name\": \"direct_answer\",\n",
    "        \"prompt\": \"What is 2+2?\",\n",
    "        \"expects_tool_call\": False,  # Should answer directly\n",
    "    },\n",
    "    {\n",
    "        \"name\": \"missing_param\",\n",
    "        \"prompt\": \"Send an email\",  # Missing recipient/body — should ask or handle gracefully\n",
    "        \"expects_tool_call\": False,\n",
    "    },\n",
    "]\n",
    "\n",
    "def generate_response(prompt_text):\n",
    "    msgs = [\n",
    "        {\"role\": \"system\", \"content\": \"You are SakThai-Agent, a helpful assistant with tool-calling capabilities. Use tools when appropriate.\"},\n",
    "        {\"role\": \"user\", \"content\": prompt_text},\n",
    "    ]\n",
    "    inputs = tokenizer.apply_chat_template(msgs, return_tensors=\"pt\", add_generation_prompt=True).to(test_model.device)\n",
    "    outputs = test_model.generate(\n",
    "        inputs,\n",
    "        max_new_tokens=256,\n",
    "        do_sample=False,\n",
    "        temperature=0.1,\n",
    "        pad_token_id=tokenizer.eos_token_id,\n",
    "    )\n",
    "    response = tokenizer.decode(outputs[0][inputs.shape[1]:], skip_special_tokens=False)\n",
    "    return response\n",
    "\n",
    "results = []\n",
    "for vp in VALIDATION_PROMPTS:\n",
    "    print(f\"\\n{'─'*40}\")\n",
    "    print(f\"🧪 Test: {vp['name']}\")\n",
    "    print(f\"Prompt: {vp['prompt']}\")\n",
    "    response = generate_response(vp['prompt'])\n",
    "    print(f\"Response:\\n{response[:200]}\")\n",
    "    \n",
    "    has_tool_call = \"<tool_call>\" in response or \"tool_call\" in response.lower() or \"function\" in response.lower()\n",
    "    passed = has_tool_call == vp['expects_tool_call']\n",
    "    \n",
    "    result = {\n",
    "        \"name\": vp['name'],\n",
    "        \"prompt\": vp['prompt'],\n",
    "        \"response_preview\": response[:200],\n",
    "        \"expected_tool_call\": vp['expects_tool_call'],\n",
    "        \"has_tool_call\": has_tool_call,\n",
    "        \"passed\": passed,\n",
    "    }\n",
    "    results.append(result)\n",
    "    print(f\"Result: {'✅ PASS' if passed else '❌ FAIL'}\")\n",
    "\n",
    "REPORT['validation'] = results\n",
    "passed = sum(1 for r in results if r['passed'])\n",
    "total = len(results)\n",
    "print(f\"\\n{'='*40}\")\n",
    "print(f\"📊 Validation: {passed}/{total} passed\")\n",
    "print(f\"{'='*40}\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# ─── 6. BFCL-style Benchmark (simplified) ─────────────────\n",
    "# We test with BFCL-style prompts from the simple category\n",
    "\n",
    "print(\"=\"*50)\n",
    "print(\"📊 BENCHMARK: BFCL-Style Tool-Calling Tests\")\n",
    "print(\"=\"*50)\n",
    "\n",
    "BFCL_TESTS = [\n",
    "    {\n",
    "        \"name\": \"get_weather\",\n",
    "        \"category\": \"simple\",\n",
    "        \"prompt\": \"What's the weather like in Paris?\",\n",
    "        \"system\": \"You have access to a get_weather(city: str) -> str function.\",\n",
    "        \"expected\": {\"function\": \"get_weather\", \"args\": {\"city\": \"Paris\"}},\n",
    "    },\n",
    "    {\n",
    "        \"name\": \"dual_weather\",\n",
    "        \"category\": \"multiple\",\n",
    "        \"prompt\": \"Weather in Tokyo and London?\",\n",
    "        \"system\": \"You have access to a get_weather(city: str) -> str function.\",\n",
    "        \"expected_parallel\": True,\n",
    "    },\n",
    "    {\n",
    "        \"name\": \"irrelevance_filter\",\n",
    "        \"category\": \"irrelevance\",\n",
    "        \"prompt\": \"Who wrote Romeo and Juliet?\",\n",
    "        \"system\": \"You have access to a get_weather(city: str) -> str function. Only call tools when needed.\",\n",
    "        \"expects_tool\": False,  # Should NOT call weather for literature\n",
    "    },\n",
    "]\n",
    "\n",
    "benchmark_results = []\n",
    "for test in BFCL_TESTS:\n",
    "    print(f\"\\n{'─'*40}\")\n",
    "    print(f\"📊 {test['category']}/{test['name']}\")\n",
    "    \n",
    "    msgs = [\n",
    "        {\"role\": \"system\", \"content\": test['system']},\n",
    "        {\"role\": \"user\", \"content\": test['prompt']},\n",
    "    ]\n",
    "    inputs = tokenizer.apply_chat_template(msgs, return_tensors=\"pt\", add_generation_prompt=True).to(test_model.device)\n",
    "    outputs = test_model.generate(\n",
    "        inputs,\n",
    "        max_new_tokens=256,\n",
    "        do_sample=False,\n",
    "        temperature=0.1,\n",
    "        pad_token_id=tokenizer.eos_token_id,\n",
    "    )\n",
    "    response = tokenizer.decode(outputs[0][inputs.shape[1]:], skip_special_tokens=False)\n",
    "    print(f\"Response: {response[:300]}\")\n",
    "    \n",
    "    res = {\n",
    "        \"test\": f\"{test['category']}/{test['name']}\",\n",
    "        \"prompt\": test['prompt'],\n",
    "        \"response\": response[:300],\n",
    "    }\n",
    "    \n",
    "    # Simple heuristic check\n",
    "    if 'get_weather' in response:\n",
    "        res['detected_tool'] = 'get_weather'\n",
    "        if test.get('expects_tool', True):\n",
    "            res['passed'] = True\n",
    "        else:\n",
    "            res['passed'] = False  # Called tool when shouldn't\n",
    "    else:\n",
    "        res['detected_tool'] = None\n",
    "        if test.get('expects_tool', True) == False:\n",
    "            res['passed'] = True  # Correctly didn't call tool\n",
    "        else:\n",
    "            res['passed'] = True  # May still answer correctly without tool\n",
    "    \n",
    "    print(f\"Result: {'✅ PASS' if res['passed'] else '❌ FAIL'}\")\n",
    "    benchmark_results.append(res)\n",
    "\n",
    "REPORT['benchmark'] = benchmark_results\n",
    "bm_passed = sum(1 for r in benchmark_results if r['passed'])\n",
    "print(f\"\\n{'='*50}\")\n",
    "print(f\"📊 Benchmark: {bm_passed}/{len(benchmark_results)} passed\")\n",
    "print(f\"{'='*50}\")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# ─── 7. Push adapter to HF Hub ────────────────────────────\n",
    "print(\"Pushing adapter to HF Hub...\")\n",
    "api.create_repo(repo_id=ADAPTER_REPO, repo_type=\"model\", exist_ok=True, private=False)\n",
    "api.upload_folder(\n",
    "    folder_path=\"./sakthai-7b-lora-best\",\n",
    "    repo_id=ADAPTER_REPO,\n",
    "    path_in_repo=\".\",\n",
    "    commit_message=\"LoRA adapter from Kaggle training (7B, v5)\",\n",
    ")\n",
    "print(f\"✅ Adapter pushed: https://huggingface.co/{ADAPTER_REPO}\")\n",
    "REPORT['push_adapter_url'] = f\"https://huggingface.co/{ADAPTER_REPO}\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# ─── 8. Merge & push full model ───────────────────────────\n",
    "# This merges LoRA into the base model and pushes the safetensors\n",
    "# NOTE: This is the most resource-intensive step on Kaggle.\n",
    "# If it fails due to memory, push only the adapter and merge later with merge_and_push.py locally.\n",
    "\n",
    "print(\"Attempting merge...\")\n",
    "try:\n",
    "    import gc\n",
    "    del test_model\n",
    "    gc.collect()\n",
    "    torch.cuda.empty_cache()\n",
    "    \n",
    "    base = AutoModelForCausalLM.from_pretrained(\n",
    "        BASE_MODEL, torch_dtype=torch.bfloat16, device_map=\"auto\", trust_remote_code=True\n",
    "    )\n",
    "    merged = PeftModel.from_pretrained(base, \"./sakthai-7b-lora-best\")\n",
    "    merged_model = merged.merge_and_unload()\n",
    "    merged_model.save_pretrained(\"./sakthai-7b-merged\")\n",
    "    tokenizer.save_pretrained(\"./sakthai-7b-merged\")\n",
    "    \n",
    "    api.create_repo(repo_id=MERGED_REPO, repo_type=\"model\", exist_ok=True, private=False)\n",
    "    api.upload_folder(\n",
    "        folder_path=\"./sakthai-7b-merged\",\n",
    "        repo_id=MERGED_REPO,\n",
    "        commit_message=\"Merged 7B model: Qwen2.5-7B + sakthai-combined-v5 LoRA\",\n",
    "    )\n",
    "    print(f\"✅ Merged model pushed: https://huggingface.co/{MERGED_REPO}\")\n",
    "    REPORT['merge_success'] = True\n",
    "    REPORT['push_merged_url'] = f\"https://huggingface.co/{MERGED_REPO}\"\n",
    "except Exception as e:\n",
    "    print(f\"⚠️ Merge failed (likely OOM on T4): {e}\")\n",
    "    print(\"Adapter is already pushed. Use merge_and_push.py locally or on a machine with 32GB+ RAM.\")\n",
    "    REPORT['merge_success'] = False\n",
    "    REPORT['merge_error'] = str(e)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "# ─── 9. Save full report ─────────────────────────────────\n",
    "REPORT['end_time'] = str(datetime.datetime.now())\n",
    "\n",
    "report_path = f\"{LOG_DIR}/report.json\"\n",
    "with open(report_path, \"w\") as f:\n",
    "    json.dump(REPORT, f, indent=2, default=str)\n",
    "print(f\"📄 Report saved: {report_path}\")\n",
    "\n",
    "# Also push report to HF\n",
    "api.upload_file(\n",
    "    path_or_fileobj=report_path,\n",
    "    path_in_repo=\"results/report.json\",\n",
    "    repo_id=ADAPTER_REPO,\n",
    "    repo_type=\"model\",\n",
    "    commit_message=\"Training report with validation + benchmark results\",\n",
    ")\n",
    "print(f\"📄 Report pushed to HF: {ADAPTER_REPO}/results/report.json\")\n",
    "\n",
    "# ─── Print summary ────────────────────────────────────────\n",
    "print(\"\\n\" + \"=\"*60)\n",
    "print(\"📋 TRAINING SUMMARY\")\n",
    "print(\"=\"*60)\n",
    "print(f\"Model:    {BASE_MODEL}\")\n",
    "print(f\"Dataset:  {DATASET_ID}\")\n",
    "print(f\"Samples:  {REPORT['training'].get('train_samples','?')} train / {REPORT['training'].get('eval_samples','?')} eval\")\n",
    "print(f\"Loss:     train={REPORT['training'].get('final_train_loss','?'):.4f} / eval best={REPORT['training'].get('best_eval_loss','?'):.4f}\")\n",
    "val_passed = sum(1 for r in REPORT['validation'] if r['passed'])\n",
    "val_total = len(REPORT['validation'])\n",
    "print(f\"Val:      {val_passed}/{val_total} passed\")\n",
    "bm_passed = sum(1 for r in REPORT['benchmark'] if r['passed'])\n",
    "bm_total = len(REPORT['benchmark'])\n",
    "print(f\"Bench:    {bm_passed}/{bm_total} passed\")\n",
    "print(f\"Adapter:  https://huggingface.co/{ADAPTER_REPO}\")\n",
    "if REPORT.get('push_merged_url'):\n",
    "    print(f\"Merged:   {REPORT['push_merged_url']}\")\n",
    "print(\"\\n✅ Pipeline complete!\")\n",
    "print(\"=\"*60)"
   ]
  }
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