From f72b5793a5c7e7891e4904be73c0bc6bc038fa18 Mon Sep 17 00:00:00 2001
From: T <t@tjp.lol>
Date: Wed, 27 May 2026 16:34:32 -0600
Subject: system agent definition scaffolding

---
 src/panto_home.zig | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/panto_home.zig')

diff --git a/src/panto_home.zig b/src/panto_home.zig
index b7c1799..353e54b 100644
--- a/src/panto_home.zig
+++ b/src/panto_home.zig
@@ -30,6 +30,11 @@ pub const Layout = struct {
     allocator: Allocator,
     /// `$PANTO_HOME` itself.
     home: []u8,
+    /// `$PANTO_HOME/agent/` — the "system" extension/tool tree,
+    /// populated at bootstrap from files embedded into the panto
+    /// binary. Searched after user/project layers for tools and
+    /// extensions; project shadows user shadows system.
+    agent_dir: []u8,
     /// `$PANTO_HOME/rocks/lua-<lua_version>/` — the versioned tree.
     tree: []u8,
     /// `<tree>/include/` — where Lua headers are staged.
@@ -52,6 +57,7 @@ pub const Layout = struct {
     pub fn deinit(self: Layout) void {
         const a = self.allocator;
         a.free(self.home);
+        a.free(self.agent_dir);
         a.free(self.tree);
         a.free(self.include_dir);
         a.free(self.share_lua_dir);
@@ -76,6 +82,9 @@ pub fn resolve(
     const home = try resolveHome(allocator, environ_map);
     errdefer allocator.free(home);
 
+    const agent_dir = try std.fs.path.join(allocator, &.{ home, "agent" });
+    errdefer allocator.free(agent_dir);
+
     // `<home>/rocks/lua-<lua_version>`
     const tree_subdir = try std.fmt.allocPrint(
         allocator,
@@ -111,6 +120,7 @@ pub fn resolve(
     return .{
         .allocator = allocator,
         .home = home,
+        .agent_dir = agent_dir,
         .tree = tree,
         .include_dir = include_dir,
         .share_lua_dir = share_lua_dir,
@@ -143,6 +153,7 @@ fn resolveHome(
 /// — existing directories are left alone.
 pub fn ensureDirsExist(layout: Layout, io: Io) !void {
     try makePathRecursive(io, layout.home);
+    try makePathRecursive(io, layout.agent_dir);
     try makePathRecursive(io, layout.tree);
     try makePathRecursive(io, layout.include_dir);
     try makePathRecursive(io, layout.share_lua_dir);
-- 
cgit v1.3