feat: add Claude Code Skill Marketplace manager

src/config.rs

@@ -0,0 +1,95 @@
+use serde::{Deserialize, Serialize};
+use std::fs;
+use std::io;
+use std::path::PathBuf;
+
+#[derive(Debug, Serialize, Deserialize, Clone, PartialEq)]
+#[serde(rename_all = "lowercase")]
+pub enum InstallMode {
+    Copy,
+    Link,
+}
+
+impl std::fmt::Display for InstallMode {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            InstallMode::Copy => write!(f, "copy"),
+            InstallMode::Link => write!(f, "link"),
+        }
+    }
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub struct MarketplaceEntry {
+    pub name: String,
+    pub url: String,
+    #[serde(default)]
+    pub branch: Option<String>,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+pub struct Config {
+    #[serde(default)]
+    pub marketplaces: Vec<MarketplaceEntry>,
+    #[serde(default = "default_mode")]
+    pub default_mode: InstallMode,
+}
+
+fn default_mode() -> InstallMode {
+    InstallMode::Copy
+}
+
+impl Config {
+    pub fn load() -> io::Result<Self> {
+        let path = config_path();
+        if path.exists() {
+            let data = fs::read_to_string(&path)?;
+            Ok(serde_json::from_str(&data).unwrap_or_default())
+        } else {
+            Ok(Config::default())
+        }
+    }
+
+    pub fn save(&self) -> io::Result<()> {
+        let path = config_path();
+        if let Some(parent) = path.parent() {
+            fs::create_dir_all(parent)?;
+        }
+        let data = serde_json::to_string_pretty(self)?;
+        fs::write(path, data)
+    }
+}
+
+impl Default for Config {
+    fn default() -> Self {
+        Config {
+            marketplaces: Vec::new(),
+            default_mode: default_mode(),
+        }
+    }
+}
+
+pub fn ccsm_dir() -> PathBuf {
+    dirs::config_dir()
+        .unwrap_or_else(|| PathBuf::from("."))
+        .join("ccsm")
+}
+
+fn config_path() -> PathBuf {
+    ccsm_dir().join("config.json")
+}
+
+pub fn marketplaces_cache_dir() -> PathBuf {
+    ccsm_dir().join("marketplaces")
+}
+
+pub fn skills_store_dir() -> PathBuf {
+    ccsm_dir().join("skills")
+}
+
+pub fn claude_skills_dir() -> PathBuf {
+    dirs::home_dir()
+        .unwrap_or_else(|| PathBuf::from("."))
+        .join(".claude")
+        .join("skills")
+}