story-kit: merge 183_story_refactor_matrix_bot_to_use_claude_code_provider_instead_of_direct_anthropic_api

server/src/matrix/config.rs

@@ -0,0 +1,135 @@
+use serde::Deserialize;
+use std::path::Path;
+
+/// Configuration for the Matrix bot, read from `.story_kit/bot.toml`.
+#[derive(Deserialize, Clone, Debug)]
+pub struct BotConfig {
+    /// Matrix homeserver URL, e.g. `https://matrix.example.com`
+    pub homeserver: String,
+    /// Bot user ID, e.g. `@storykit:example.com`
+    pub username: String,
+    /// Bot password
+    pub password: String,
+    /// Matrix room ID to join, e.g. `!roomid:example.com`
+    pub room_id: String,
+    /// Set to `true` to enable the bot (default: false)
+    #[serde(default)]
+    pub enabled: bool,
+    /// Previously used to select an Anthropic model. Now ignored — the bot
+    /// uses Claude Code which manages its own model selection. Kept for
+    /// backwards compatibility so existing bot.toml files still parse.
+    #[allow(dead_code)]
+    pub model: Option<String>,
+}
+
+impl BotConfig {
+    /// Load bot configuration from `.story_kit/bot.toml`.
+    ///
+    /// Returns `None` if the file does not exist, fails to parse, or has
+    /// `enabled = false`.
+    pub fn load(project_root: &Path) -> Option<Self> {
+        let path = project_root.join(".story_kit").join("bot.toml");
+        if !path.exists() {
+            return None;
+        }
+        let content = std::fs::read_to_string(&path)
+            .map_err(|e| eprintln!("[matrix-bot] Failed to read bot.toml: {e}"))
+            .ok()?;
+        let config: BotConfig = toml::from_str(&content)
+            .map_err(|e| eprintln!("[matrix-bot] Invalid bot.toml: {e}"))
+            .ok()?;
+        if !config.enabled {
+            return None;
+        }
+        Some(config)
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use std::fs;
+
+    #[test]
+    fn load_returns_none_when_file_missing() {
+        let tmp = tempfile::tempdir().unwrap();
+        let result = BotConfig::load(tmp.path());
+        assert!(result.is_none());
+    }
+
+    #[test]
+    fn load_returns_none_when_disabled() {
+        let tmp = tempfile::tempdir().unwrap();
+        let sk = tmp.path().join(".story_kit");
+        fs::create_dir_all(&sk).unwrap();
+        fs::write(
+            sk.join("bot.toml"),
+            r#"
+homeserver = "https://matrix.example.com"
+username = "@bot:example.com"
+password = "secret"
+room_id = "!abc:example.com"
+enabled = false
+"#,
+        )
+        .unwrap();
+        let result = BotConfig::load(tmp.path());
+        assert!(result.is_none());
+    }
+
+    #[test]
+    fn load_returns_config_when_enabled() {
+        let tmp = tempfile::tempdir().unwrap();
+        let sk = tmp.path().join(".story_kit");
+        fs::create_dir_all(&sk).unwrap();
+        fs::write(
+            sk.join("bot.toml"),
+            r#"
+homeserver = "https://matrix.example.com"
+username = "@bot:example.com"
+password = "secret"
+room_id = "!abc:example.com"
+enabled = true
+"#,
+        )
+        .unwrap();
+        let result = BotConfig::load(tmp.path());
+        assert!(result.is_some());
+        let config = result.unwrap();
+        assert_eq!(config.homeserver, "https://matrix.example.com");
+        assert_eq!(config.username, "@bot:example.com");
+        assert_eq!(config.room_id, "!abc:example.com");
+        assert!(config.model.is_none());
+    }
+
+    #[test]
+    fn load_returns_none_when_toml_invalid() {
+        let tmp = tempfile::tempdir().unwrap();
+        let sk = tmp.path().join(".story_kit");
+        fs::create_dir_all(&sk).unwrap();
+        fs::write(sk.join("bot.toml"), "not valid toml {{{").unwrap();
+        let result = BotConfig::load(tmp.path());
+        assert!(result.is_none());
+    }
+
+    #[test]
+    fn load_respects_optional_model() {
+        let tmp = tempfile::tempdir().unwrap();
+        let sk = tmp.path().join(".story_kit");
+        fs::create_dir_all(&sk).unwrap();
+        fs::write(
+            sk.join("bot.toml"),
+            r#"
+homeserver = "https://matrix.example.com"
+username = "@bot:example.com"
+password = "secret"
+room_id = "!abc:example.com"
+enabled = true
+model = "claude-sonnet-4-6"
+"#,
+        )
+        .unwrap();
+        let config = BotConfig::load(tmp.path()).unwrap();
+        assert_eq!(config.model.as_deref(), Some("claude-sonnet-4-6"));
+    }
+}