Feat: Integrated Local LLM (Llama 3.2 1B) for Intelligent Correction -- New Core: Added LLMEngine utilizing llama-cpp-python for local private text post-processing. -- Forensic Protocol: Engineered strict system prompts to prevent LLM refusals, censorship, or assistant chatter. -- Three Modes: Grammar, Standard, Rewrite. -- Start/Stop Logic: Consolidated conflicting recording methods. -- Hotkeys: Added dedicated F9 (Correct) vs F8 (Transcribe). -- UI: Updated Settings. -- Build: Updated portable_build.py. -- Docs: Updated README.

bootstrapper.py

@@ -245,18 +245,38 @@ class Bootstrapper:
             
         req_file = self.source_path / "requirements.txt"
         
+        # Use --prefer-binary to avoid building from source on Windows if possible
+        # Use --no-warn-script-location to reduce noise
+        # CRITICAL: Force --only-binary for llama-cpp-python to prevent picking new source-only versions
+        cmd = [
+            str(self.python_path / "python.exe"), "-m", "pip", "install", 
+            "--prefer-binary", 
+            "--only-binary", "llama-cpp-python", 
+            "--extra-index-url", "https://abetlen.github.io/llama-cpp-python/whl/cpu",
+            "-r", str(req_file)
+        ]
+        
         process = subprocess.Popen(
-            [str(self.python_path / "python.exe"), "-m", "pip", "install", "-r", str(req_file)],
+            cmd,
             stdout=subprocess.PIPE,
-            stderr=subprocess.STDOUT,
+            stderr=subprocess.STDOUT, # Merge stderr into stdout
             text=True,
             cwd=str(self.python_path),
             creationflags=subprocess.CREATE_NO_WINDOW
         )
         
+        output_buffer = []
         for line in process.stdout:
-            if self.ui: self.ui.set_detail(line.strip()[:60])
-        process.wait()
+            line_stripped = line.strip()
+            if self.ui: self.ui.set_detail(line_stripped[:60])
+            output_buffer.append(line_stripped)
+            log(line_stripped)
+            
+        return_code = process.wait()
+        
+        if return_code != 0:
+            err_msg = "\n".join(output_buffer[-15:]) # Show last 15 lines
+            raise RuntimeError(f"Pip install failed (Exit code {return_code}):\n{err_msg}")
         
     def refresh_app_source(self):
         """
@@ -348,8 +368,22 @@ class Bootstrapper:
             return False
 
     def check_dependencies(self):
-        """Quick check if critical dependencies are installed."""
-        return True # Deprecated logic placeholder
+        """Check if critical dependencies are importable in the embedded python."""
+        if not self.is_python_ready(): return False
+        
+        try:
+            # Check for core libs that might be missing
+            # We use a subprocess to check imports in the runtime environment
+            subprocess.check_call(
+                [str(self.python_path / "python.exe"), "-c", "import faster_whisper; import llama_cpp; import PySide6"],
+                stdout=subprocess.DEVNULL,
+                stderr=subprocess.DEVNULL,
+                cwd=str(self.python_path),
+                creationflags=subprocess.CREATE_NO_WINDOW
+            )
+            return True
+        except (subprocess.CalledProcessError, FileNotFoundError):
+            return False
 
     def setup_and_run(self):
         """Full setup/update and run flow."""
@@ -359,10 +393,16 @@ class Bootstrapper:
                 self.download_python()
                 self._fix_pth_file() # Ensure pth is fixed immediately after download
                 self.install_pip()
-                self.install_packages()
+                # self.install_packages() # We'll do this in the dependency check step now
             
             # Always refresh source to ensure we have the latest bundled code
             self.refresh_app_source()
+
+            # 2. Check and Install Dependencies
+            # We do this AFTER refreshing source so we have the latest requirements.txt
+            if not self.check_dependencies():
+                log("Dependencies missing or incomplete. Installing...")
+                self.install_packages()
             
             # Launch
             if self.run_app():