v0.3.0 : picoclaw en binaire 64-bit officiel (sipeed/picoclaw releases) + shims git en .cmd sur Windows (fini le batch renomme en .exe qui donnait Unsupported 16-Bit Application) avec routage via cmd.exe

src/commands/mod.rs

@@ -175,9 +175,26 @@ pub fn resolve_exec(
     args.extend(extra_args.iter().cloned());
     let mut env = agent.env.clone();
     env.extend(extra_env.clone());
+    let (program, args) = route_cmd_script(program, args);
     Ok(ResolvedExec { program, args, env })
 }
 
+/// On Windows, .cmd/.bat shims (git installs without a build step) must be
+/// executed through cmd.exe — spawning them directly fails.
+pub fn route_cmd_script(program: String, args: Vec<String>) -> (String, Vec<String>) {
+    let lower = program.to_lowercase();
+    if cfg!(windows) && (lower.ends_with(".cmd") || lower.ends_with(".bat")) {
+        let shell = std::env::var_os("COMSPEC")
+            .map(|s| s.to_string_lossy().to_string())
+            .unwrap_or_else(|| "cmd.exe".to_string());
+        let mut full = vec!["/C".to_string(), program];
+        full.extend(args);
+        (shell, full)
+    } else {
+        (program, args)
+    }
+}
+
 /// Parse --env KEY=VALUE entries.
 pub fn parse_env_list(items: &[String]) -> Result<BTreeMap<String, String>> {
     let mut map = BTreeMap::new();
@@ -273,3 +290,33 @@ pub fn select_method<'a>(
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn routes_cmd_scripts_through_comspec() {
+        let (program, args) = route_cmd_script(
+            "C:/x/agent.cmd".to_string(),
+            vec!["--flag".to_string()],
+        );
+        let lower = program.to_lowercase();
+        if cfg!(windows) {
+            assert!(lower.ends_with("cmd.exe"), "{program}");
+            assert_eq!(args[0], "/C");
+            assert_eq!(args[1], "C:/x/agent.cmd");
+            assert_eq!(args[2], "--flag");
+        } else {
+            assert_eq!(program, "C:/x/agent.cmd");
+            assert_eq!(args, vec!["--flag".to_string()]);
+        }
+    }
+
+    #[test]
+    fn leaves_regular_programs_untouched() {
+        let (program, args) = route_cmd_script("node".to_string(), vec!["-v".to_string()]);
+        assert_eq!(program, "node");
+        assert_eq!(args, vec!["-v".to_string()]);
+    }
+}