Add devcontainer and automations configuration

.devcontainer/devcontainer.json

@@ -0,0 +1,36 @@
+{
+  "name": "OpenCog",
+  "image": "mcr.microsoft.com/devcontainers/base:ubuntu-24.04",
+  "features": {
+    "ghcr.io/devcontainers/features/python": {},
+    "ghcr.io/devcontainers/features/node": {}
+  },
+  "forwardPorts": [17001, 18001, 5000, 8080],
+  "portsAttributes": {
+    "17001": {
+      "label": "CogServer Telnet",
+      "onAutoForward": "ignore"
+    },
+    "18001": {
+      "label": "CogServer Web",
+      "onAutoForward": "ignore"
+    },
+    "5000": {
+      "label": "REST API",
+      "onAutoForward": "ignore"
+    },
+    "8080": {
+      "label": "Web Demos",
+      "onAutoForward": "notify"
+    }
+  },
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "ms-vscode.cpptools",
+        "ms-vscode.cmake-tools",
+        "ms-python.python"
+      ]
+    }
+  }
+}

.ona/automations.yaml

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+tasks:
+  install-deps:
+    name: Install system dependencies
+    description: Install C++/CMake build tools and Python packages required for OpenCog.
+    command: |
+      sudo apt-get update -qq && sudo apt-get install -y \
+        build-essential \
+        cmake \
+        cmake-data \
+        libboost-all-dev \
+        libcppunit-dev \
+        guile-3.0-dev \
+        libbz2-dev \
+        libexpat1-dev \
+        libgsl-dev \
+        libhyphen-dev \
+        libpthread-stubs0-dev \
+        libtool \
+        libzmq3-dev \
+        pkg-config \
+        python3-dev \
+        python3-pip \
+        python3-numpy \
+        python3-scipy \
+        cython3 \
+        python3-nose \
+        unzip \
+        wget \
+        curl \
+        locales \
+        locales-all
+      pip3 install --user numpy scipy matplotlib cython pytest networkx scikit-learn pandas
+    triggeredBy:
+      - postDevcontainerStart
+
+  setup-env:
+    name: Set up build environment
+    description: Configure environment variables and create build helper scripts.
+    command: |
+      chmod +x .gitpod/*.sh
+      chmod +x ./setup-opencog-gitpod.sh
+      bash .gitpod/setup.sh
+    triggeredBy:
+      - postDevcontainerStart
+    dependsOn:
+      - install-deps
+
+  build-opencog:
+    name: Build OpenCog
+    description: Build core OpenCog components (cogutil, atomspace, cogserver) in dependency order.
+    command: |
+      source ~/.bashrc
+      build-opencog
+    triggeredBy:
+      - manual
+    dependsOn:
+      - setup-env