feat: Add Redis-backed session service to ADK community extensions

Author: yvesemmanuel

.gitignore

@@ -0,0 +1,80 @@
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.so
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# Virtual Environment
+venv/
+ENV/
+env/
+.env
+.venv
+env.bak/
+venv.bak/
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+.DS_Store
+
+# Testing
+.coverage
+htmlcov/
+.tox/
+.nox/
+.pytest_cache/
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# Logs
+*.log
+logs/
+log/
+
+# Local development settings
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+uv.lock
+
+# Google Cloud specific
+.gcloudignore
+.gcloudignore.local
+
+# Documentation
+docs/_build/
+site/
+
+# Misc
+Thumbs.db
+*.bak
+*.tmp
+*.temp

pyproject.toml

@@ -27,6 +27,7 @@ dependencies = [
   # go/keep-sorted start
   "google-genai>=1.21.1, <2.0.0",                           # Google GenAI SDK
   "google-adk",                                             # Google ADK
+  "redis>=5.0.0, <6.0.0",                                           # Redis for session storage
   # go/keep-sorted end
 ]
 dynamic = ["version"]

src/google/adk_community/cli/__init__.py

@@ -0,0 +1,13 @@
+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.

src/google/adk_community/cli/browser/adk_favicon.svg

@@ -0,0 +1,51 @@
+/**
+ * Copyright 2025 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+class AudioProcessor extends AudioWorkletProcessor {
+    constructor() {
+        super();
+        this.targetSampleRate = 22000;  // Change to your desired rate
+        this.originalSampleRate = sampleRate; // Browser's sample rate
+        this.resampleRatio = this.originalSampleRate / this.targetSampleRate;
+    }
+
+    process(inputs, outputs, parameters) {
+        const input = inputs[0];
+        if (input.length > 0) {
+            let audioData = input[0]; // Get first channel's data
+            
+            if (this.resampleRatio !== 1) {
+                audioData = this.resample(audioData);
+            }
+
+            this.port.postMessage(audioData);
+        }
+        return true; // Keep processor alive
+    }
+
+    resample(audioData) {
+        const newLength = Math.round(audioData.length / this.resampleRatio);
+        const resampled = new Float32Array(newLength);
+
+        for (let i = 0; i < newLength; i++) {
+            const srcIndex = Math.floor(i * this.resampleRatio);
+            resampled[i] = audioData[srcIndex]; // Nearest neighbor resampling
+        }
+        return resampled;
+    }
+}
+
+registerProcessor('audio-processor', AudioProcessor);

src/google/adk_community/cli/browser/assets/ADK-512-color.svg

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+{
+  "backendUrl": ""
+}