1 files changed, 115 insertions, 0 deletions
diff --git a/makima/src/daemon/skill_installer.rs b/makima/src/daemon/skill_installer.rs
new file mode 100644
index 0000000..87cdc29
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+++ b/makima/src/daemon/skill_installer.rs
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+//! Claude Code skill installation for makima commands.
+//!
+//! This module installs makima CLI commands as Claude Code skills
+//! to ~/.claude/skills/ on daemon startup. Skills allow Claude Code
+//! instances to use makima commands via slash commands like
+//! `/makima-supervisor`, `/makima-contract`, and `/makima-chain`.
+
+use std::path::PathBuf;
+use tokio::fs;
+
+use super::skills;
+
+/// Get the global Claude skills directory (~/.claude/skills/)
+fn skills_dir() -> Option<PathBuf> {
+    dirs::home_dir().map(|h| h.join(".claude").join("skills"))
+}
+
+/// Check if a skill needs to be installed or updated
+async fn needs_install(skill_dir: &PathBuf, expected_content: &str) -> bool {
+    let skill_file = skill_dir.join("SKILL.md");
+    match fs::read_to_string(&skill_file).await {
+        Ok(content) => content != expected_content,
+        Err(_) => true, // File doesn't exist or can't be read
+    }
+}
+
+/// Install or update all makima skills to ~/.claude/skills/
+///
+/// This function:
+/// 1. Creates the skills directory if needed
+/// 2. For each skill, checks if it needs updating
+/// 3. Writes/updates the SKILL.md file only if content differs
+///
+/// Returns Ok(()) on success, or an error message on failure.
+pub async fn install_skills() -> Result<(), String> {
+    let base_dir = skills_dir()
+        .ok_or_else(|| "Could not determine home directory".to_string())?;
+
+    // Create base skills directory if needed
+    fs::create_dir_all(&base_dir)
+        .await
+        .map_err(|e| format!("Failed to create skills directory: {}", e))?;
+
+    let mut installed_count = 0;
+
+    for (name, content) in skills::ALL_SKILLS {
+        let skill_dir = base_dir.join(name);
+
+        if needs_install(&skill_dir, content).await {
+            // Create skill directory
+            fs::create_dir_all(&skill_dir)
+                .await
+                .map_err(|e| format!("Failed to create {} directory: {}", name, e))?;
+
+            // Write SKILL.md
+            let skill_file = skill_dir.join("SKILL.md");
+            fs::write(&skill_file, content)
+                .await
+                .map_err(|e| format!("Failed to write {}/SKILL.md: {}", name, e))?;
+
+            eprintln!("      Installed skill: {}", name);
+            installed_count += 1;
+        }
+    }
+
+    if installed_count == 0 {
+        eprintln!("      All {} skills up to date", skills::ALL_SKILLS.len());
+    }
+
+    Ok(())
+}
+
+/// Check if all skills are properly installed
+///
+/// Returns a list of (skill_name, is_installed) pairs.
+pub async fn verify_skills() -> Vec<(String, bool)> {
+    let mut results = Vec::new();
+
+    if let Some(base_dir) = skills_dir() {
+        for (name, content) in skills::ALL_SKILLS {
+            let skill_dir = base_dir.join(name);
+            let installed = !needs_install(&skill_dir, content).await;
+            results.push((name.to_string(), installed));
+        }
+    }
+
+    results
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_skills_dir() {
+        // Should return a valid path on most systems
+        let dir = skills_dir();
+        assert!(dir.is_some());
+        let path = dir.unwrap();
+        assert!(path.ends_with(".claude/skills"));
+    }
+
+    #[test]
+    fn test_skill_content_not_empty() {
+        // Verify all skills have content
+        for (name, content) in skills::ALL_SKILLS {
+            assert!(!content.is_empty(), "Skill {} has no content", name);
+            assert!(
+                content.starts_with("---"),
+                "Skill {} missing YAML frontmatter",
+                name
+            );
+        }
+    }
+}