Add game data capture vertical slice

tools/game-data-capture/config.example.toml

@@ -0,0 +1,24 @@
+# Copy this file to $XDG_CONFIG_HOME/shd-capture/config.toml and adjust local limits.
+# The utility reads the OpenAI key from the named environment variable only.
+
+[server]
+# Only loopback IP literals are valid: 127.0.0.1 or ::1.
+host = "127.0.0.1"
+port = 8765
+
+[lifecycle]
+# One local process owns this instance name and releases its runtime lock on shutdown.
+instance_name = "shd-capture"
+lock_timeout_seconds = 5
+shutdown_timeout_seconds = 30
+
+[limits]
+max_image_bytes = 33554432
+max_video_bytes = 4294967296
+max_queue_items = 64
+max_ocr_text_characters = 20000
+
+[openai]
+# Set this name in the process environment. Do not put the key in this file.
+api_key_env = "OPENAI_API_KEY"
+model = "gpt-4.1-mini"