1 files changed, 53 insertions, 0 deletions
diff --git a/panto-herdr/init.lua b/panto-herdr/init.lua
new file mode 100644
index 0000000..dffef51
--- /dev/null
+++ b/panto-herdr/init.lua
@@ -0,0 +1,53 @@
+local function tool_status(name)
+   name = name or "?"
+   return "tool:" .. name:sub(1, 27)
+end
+
+return {
+   name = "herdr",
+   activate = function()
+      local pane_id = os.getenv("HERDR_PANE_ID")
+      if not pane_id or pane_id == "" then return end
+
+      local panto = require("panto")
+      local uv = require("luv")
+      local seq = 0
+      local last_state
+      local last_status
+
+      local function report(state, status)
+         if state == last_state and status == last_status then return end
+         last_state, last_status = state, status
+         seq = seq + 1
+
+         local args = {
+            "pane", "report-agent", pane_id,
+            "--source", "panto:extension",
+            "--agent", "panto",
+            "--state", state,
+            "--seq", tostring(seq),
+         }
+         if status then
+            args[#args + 1] = "--custom-status"
+            args[#args + 1] = status
+         end
+
+         local handle
+         pcall(function()
+            handle = uv.spawn("herdr", { args = args, stdio = { nil, nil, nil } }, function()
+               if handle then handle:close() end
+            end)
+         end)
+      end
+
+      panto.ext.on("session_start", function() report("idle") end)
+      panto.ext.on("user_message", function() report("working", "thinking") end)
+      panto.ext.on("thinking", function() report("working", "thinking") end)
+      panto.ext.on("compaction", function() report("working", "compacting") end)
+      panto.ext.on("tool_details", function(event)
+         report("working", tool_status(event.tool_name))
+      end)
+      panto.ext.on("assistant_text", function() report("working", "responding") end)
+      panto.ext.on("assistant_text_complete", function() report("idle") end)
+   end,
+}