feat: Update to Web-First CLI, Python 3.11, and optimize Dockerfile for HF Spaces

.gitignore

@@ -137,5 +137,4 @@ venv.bak/
 .dmypy.json
 dmypy.json
 
-# Generated agents
-generated_agents/
+

Dockerfile

@@ -7,8 +7,8 @@ COPY frontend/ ./
 RUN npm run build
 
 # Stage 2: Base Python image with git (for Hugging Face Spaces dev-mode compatibility)
-# Using python:3.10 (not slim) which includes git by default
-FROM python:3.10 as base
+# Using python:3.11 (not slim) which includes git by default
+FROM python:3.11 as base
 # Ensure git, build tools, and utilities needed for HF Spaces dev-mode are available
 # wget and tar are needed for the injected vscode stage in dev-mode
 RUN apt-get update && apt-get install -y --no-install-recommends \
@@ -44,8 +44,6 @@ RUN pip install --no-cache-dir -r requirements.txt
 COPY llm_agent_builder/ ./llm_agent_builder/
 COPY server/ ./server/
 COPY main.py .
-# Create empty init for server if not exists (though we have it)
-# COPY server/__init__.py ./server/ 
 
 # Copy frontend build from stage 1
 COPY --from=frontend-build /app/frontend/dist ./frontend/dist

README.md

@@ -74,16 +74,38 @@ LLM Agent Builder is a comprehensive Python application that enables developers
 
 ## 📖 Usage
 
+### Web Interface (Default)
+
+The easiest way to use LLM Agent Builder is via the web interface.
+
+1. **Launch the application:**
+
+   ```bash
+   python main.py
+   # or
+   llm-agent-builder
+   ```
+
+2. **Access the UI:**
+
+   Open your browser to `http://localhost:7860`.
+
+   The web interface allows you to:
+   - Generate agents using a simple form
+   - Preview and copy generated code
+   - Test agents directly in the browser
+   - Switch between dark and light themes
+
 ### Command Line Interface
 
+You can still use the CLI for scripting or if you prefer the terminal.
+
 #### Generate an Agent
 
 **Interactive Mode:**
 
 ```bash
-llm-agent-builder generate
-# or simply
-llm-agent-builder
+llm-agent-builder generate --interactive
 ```
 
 **Command-Line Mode:**

frontend/package-lock.json

@@ -13,6 +13,7 @@
       },
       "devDependencies": {
         "@eslint/js": "^9.39.1",
+        "@tailwindcss/postcss": "^4.0.0",
         "@types/react": "^19.2.5",
         "@types/react-dom": "^19.2.3",
         "@vitejs/plugin-react": "^5.1.1",
@@ -26,6 +27,19 @@
         "vite": "^7.2.4"
       }
     },
+    "node_modules/@alloc/quick-lru": {
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/@alloc/quick-lru/-/quick-lru-5.2.0.tgz",
+      "integrity": "sha512-UrcABB+4bUrFABwbluTIBErXwvbsU/V7TZWfmbgJfbkwiBuziS9gxdODUyuiecfdGQ85jglMW6juS3+z5TsKLw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/@babel/code-frame": {
       "version": "7.27.1",
       "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.27.1.tgz",
@@ -1324,6 +1338,277 @@
         "win32"
       ]
     },
+    "node_modules/@tailwindcss/node": {
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+      "resolved": "https://registry.npmjs.org/@tailwindcss/node/-/node-4.1.17.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@jridgewell/remapping": "^2.3.4",
+        "enhanced-resolve": "^5.18.3",
+        "jiti": "^2.6.1",
+        "lightningcss": "1.30.2",
+        "magic-string": "^0.30.21",
+        "source-map-js": "^1.2.1",
+        "tailwindcss": "4.1.17"
+      }
+    },
+    "node_modules/@tailwindcss/oxide": {
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+      "resolved": "https://registry.npmjs.org/@tailwindcss/oxide/-/oxide-4.1.17.tgz",
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+        "@tailwindcss/oxide-freebsd-x64": "4.1.17",
+        "@tailwindcss/oxide-linux-arm-gnueabihf": "4.1.17",
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+      "os": [
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+    "node_modules/@tailwindcss/postcss": {
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@alloc/quick-lru": "^5.2.0",
+        "@tailwindcss/node": "4.1.17",
+        "@tailwindcss/oxide": "4.1.17",
+        "postcss": "^8.4.41",
+        "tailwindcss": "4.1.17"
+      }
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     "node_modules/@types/babel__core": {
       "version": "7.20.5",
       "resolved": "https://registry.npmjs.org/@types/babel__core/-/babel__core-7.20.5.tgz",
@@ -1716,6 +2001,16 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/detect-libc": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-2.1.2.tgz",
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+      "dev": true,
+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/electron-to-chromium": {
       "version": "1.5.262",
       "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.5.262.tgz",
@@ -1723,6 +2018,20 @@
       "dev": true,
       "license": "ISC"
     },
+    "node_modules/enhanced-resolve": {
+      "version": "5.18.3",
+      "resolved": "https://registry.npmjs.org/enhanced-resolve/-/enhanced-resolve-5.18.3.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "graceful-fs": "^4.2.4",
+        "tapable": "^2.2.0"
+      },
+      "engines": {
+        "node": ">=10.13.0"
+      }
+    },
     "node_modules/esbuild": {
       "version": "0.25.12",
       "resolved": "https://registry.npmjs.org/esbuild/-/esbuild-0.25.12.tgz",
@@ -2127,6 +2436,13 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/graceful-fs": {
+      "version": "4.2.11",
+      "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.11.tgz",
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+      "dev": true,
+      "license": "ISC"
+    },
     "node_modules/has-flag": {
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       "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
@@ -2221,6 +2537,16 @@
       "dev": true,
       "license": "ISC"
     },
+    "node_modules/jiti": {
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/jiti/-/jiti-2.6.1.tgz",
+      "integrity": "sha512-ekilCSN1jwRvIbgeg/57YFh8qQDNbwDb9xT/qu2DAHbFFZUicIl4ygVaAvzveMhMVr3LnpSKTNnwt8PoOfmKhQ==",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "jiti": "lib/jiti-cli.mjs"
+      }
+    },
     "node_modules/js-tokens": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-4.0.0.tgz",
@@ -2312,6 +2638,267 @@
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       }
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+      "license": "MPL-2.0",
+      "dependencies": {
+        "detect-libc": "^2.0.3"
+      },
+      "engines": {
+        "node": ">= 12.0.0"
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+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/parcel"
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+        "lightningcss-darwin-arm64": "1.30.2",
+        "lightningcss-darwin-x64": "1.30.2",
+        "lightningcss-freebsd-x64": "1.30.2",
+        "lightningcss-linux-arm-gnueabihf": "1.30.2",
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+        "lightningcss-linux-arm64-musl": "1.30.2",
+        "lightningcss-linux-x64-gnu": "1.30.2",
+        "lightningcss-linux-x64-musl": "1.30.2",
+        "lightningcss-win32-arm64-msvc": "1.30.2",
+        "lightningcss-win32-x64-msvc": "1.30.2"
+      }
+    },
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+        "type": "opencollective",
+        "url": "https://opencollective.com/parcel"
+      }
+    },
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+        "x64"
+      ],
+      "dev": true,
+      "license": "MPL-2.0",
+      "optional": true,
+      "os": [
+        "freebsd"
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+      },
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+        "url": "https://opencollective.com/parcel"
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+      "dev": true,
+      "license": "MPL-2.0",
+      "optional": true,
+      "os": [
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+        "type": "opencollective",
+        "url": "https://opencollective.com/parcel"
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+        "type": "opencollective",
+        "url": "https://opencollective.com/parcel"
+      }
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+        "url": "https://opencollective.com/parcel"
+      }
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+      "version": "1.30.2",
+      "resolved": "https://registry.npmjs.org/lightningcss-linux-x64-musl/-/lightningcss-linux-x64-musl-1.30.2.tgz",
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+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "MPL-2.0",
+      "optional": true,
+      "os": [
+        "linux"
+      ],
+      "engines": {
+        "node": ">= 12.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/parcel"
+      }
+    },
+    "node_modules/lightningcss-win32-arm64-msvc": {
+      "version": "1.30.2",
+      "resolved": "https://registry.npmjs.org/lightningcss-win32-arm64-msvc/-/lightningcss-win32-arm64-msvc-1.30.2.tgz",
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+      "cpu": [
+        "arm64"
+      ],
+      "dev": true,
+      "license": "MPL-2.0",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": ">= 12.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/parcel"
+      }
+    },
+    "node_modules/lightningcss-win32-x64-msvc": {
+      "version": "1.30.2",
+      "resolved": "https://registry.npmjs.org/lightningcss-win32-x64-msvc/-/lightningcss-win32-x64-msvc-1.30.2.tgz",
+      "integrity": "sha512-5g1yc73p+iAkid5phb4oVFMB45417DkRevRbt/El/gKXJk4jid+vPFF/AXbxn05Aky8PapwzZrdJShv5C0avjw==",
+      "cpu": [
+        "x64"
+      ],
+      "dev": true,
+      "license": "MPL-2.0",
+      "optional": true,
+      "os": [
+        "win32"
+      ],
+      "engines": {
+        "node": ">= 12.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/parcel"
+      }
+    },
     "node_modules/locate-path": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/locate-path/-/locate-path-6.0.0.tgz",
@@ -2345,6 +2932,16 @@
         "yallist": "^3.0.2"
       }
     },
+    "node_modules/magic-string": {
+      "version": "0.30.21",
+      "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.30.21.tgz",
+      "integrity": "sha512-vd2F4YUyEXKGcLHoq+TEyCjxueSeHnFxyyjNp80yg0XV4vUhnDer/lvvlqM/arB5bXQN5K2/3oinyCRyx8T2CQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@jridgewell/sourcemap-codec": "^1.5.5"
+      }
+    },
     "node_modules/minimatch": {
       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
@@ -2732,6 +3329,20 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/tapable": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/tapable/-/tapable-2.3.0.tgz",
+      "integrity": "sha512-g9ljZiwki/LfxmQADO3dEY1CbpmXT5Hm2fJ+QaGKwSXUylMybePR7/67YW7jOrrvjEgL1Fmz5kzyAjWVWLlucg==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=6"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/webpack"
+      }
+    },
     "node_modules/tinyglobby": {
       "version": "0.2.15",
       "resolved": "https://registry.npmjs.org/tinyglobby/-/tinyglobby-0.2.15.tgz",

llm_agent_builder/cli.py

@@ -198,12 +198,21 @@ Examples:
     batch_parser.add_argument("config_file", help="Path to JSON configuration file")
     batch_parser.add_argument("--output", default="generated_agents", help="Output directory for generated agents")
     
+    # Web subcommand
+    web_parser = subparsers.add_parser("web", help="Launch the web interface")
+    web_parser.add_argument("--host", default="0.0.0.0", help="Host to bind to")
+    web_parser.add_argument("--port", type=int, default=7860, help="Port to bind to")
+    
     args = parser.parse_args()
     
     # Handle no command (default to generate in interactive mode)
+    # Handle no command (default to web interface)
     if not args.command:
-        args.command = "generate"
-        args.interactive = True
+        print("No command provided. Launching web interface...")
+        args.command = "web"
+        # Set default values for web command since they weren't parsed
+        args.host = "0.0.0.0"
+        args.port = 7860
     
     try:
         if args.command == "generate":
@@ -281,6 +290,9 @@ Examples:
         elif args.command == "batch":
             batch_generate(args.config_file, args.output)
             
+        elif args.command == "web":
+            run_web_server(args.host, args.port)
+            
     except KeyboardInterrupt:
         print("\n\nOperation cancelled by user.")
         sys.exit(1)
@@ -288,5 +300,18 @@ Examples:
         print(f"Error: {e}", file=sys.stderr)
         sys.exit(1)
 
+def run_web_server(host: str, port: int) -> None:
+    """Run the web interface server."""
+    try:
+        import uvicorn
+        print(f"Starting web interface at http://{host}:{port}")
+        uvicorn.run("server.main:app", host=host, port=port, reload=False)
+    except ImportError:
+        print("Error: uvicorn is not installed. Please install it with 'pip install uvicorn'.")
+        sys.exit(1)
+    except Exception as e:
+        print(f"Error starting web server: {e}")
+        sys.exit(1)
+
 if __name__ == "__main__":
     main()

server/main.py

@@ -77,6 +77,8 @@ async def execute_agent(request: Request, execute_request: ExecuteRequest):
         raise HTTPException(status_code=400, detail=str(e))
     except subprocess.TimeoutExpired:
         raise HTTPException(status_code=408, detail="Execution timed out")
+    except HTTPException: # Re-raise HTTPException directly
+        raise
     except Exception as e:
         raise HTTPException(status_code=500, detail=f"Execution error: {str(e)}")
 
@@ -102,6 +104,8 @@ async def generate_agent(request: Request, generate_request: GenerateRequest):
         }
     except ValueError as e:
         raise HTTPException(status_code=400, detail=str(e))
+    except HTTPException: # Re-raise HTTPException directly
+        raise
     except Exception as e:
         raise HTTPException(status_code=500, detail=f"Generation error: {str(e)}")