From f8c6d45755acb5abf9ac68931268b7945da0fae0 Mon Sep 17 00:00:00 2001
From: t <t@tjp.lol>
Date: Mon, 15 Jun 2026 22:11:53 -0600
Subject: display fixes: markdown rendering, tool-specific components

---
 agent/tools/shell.lua | 40 ++++++++++++++++++++++++----------------
 1 file changed, 24 insertions(+), 16 deletions(-)

(limited to 'agent/tools/shell.lua')

diff --git a/agent/tools/shell.lua b/agent/tools/shell.lua
index f9be58b..6c0a37c 100644
--- a/agent/tools/shell.lua
+++ b/agent/tools/shell.lua
@@ -26,12 +26,32 @@
 -- a string-returning tool result is shaped). Most shell commands the
 -- agent runs interleave the two anyway.
 
+local panto = require("panto")
 local uv = require("luv")
 
 local MAX_BYTES = 50 * 1024   -- 50 KB, same as `read`
 local DEFAULT_TIMEOUT_S = 300   -- 5 minutes
 local SIGKILL_GRACE_MS = 250
 
+local tool = {
+    name = "std.shell",
+    description = string.format("Execute a shell command via `/bin/sh -c`. Returns merged stdout+stderr after the command exits, prefixed with an exit-status header. Output is truncated to the last %dKB; on truncation the full transcript is saved to `$PANTO_HOME/shell-output/` and its path is included for follow-up `read` calls. Default timeout 5 minutes.", MAX_BYTES / 1024),
+    schema = {
+        type = "object",
+        properties = {
+            command = { type = "string", description = "Shell command. Passed to `sh -c` verbatim; pipes, redirections, etc. work." },
+            cwd = { type = "string", description = "Working directory (default: cwd)." },
+            timeout = { type = "integer", description = "Hard timeout in seconds (default: " .. tostring(DEFAULT_TIMEOUT_S) .. ").", minimum = 1 },
+        },
+        required = { "command" },
+    },
+}
+
+panto.ext.on("tool", function(e)
+    if e.tool_name ~= tool.name then return end
+    e:set_component(e:get_component())
+end)
+
 -- ---------------------------------------------------------------------------
 -- Coroutine-synchronous coordination.
 --
@@ -128,20 +148,7 @@ end
 -- ---------------------------------------------------------------------------
 -- Tool body
 -- ---------------------------------------------------------------------------
-
-return {
-    name = "std.shell",
-    description = string.format("Execute a shell command via `/bin/sh -c`. Returns merged stdout+stderr after the command exits, prefixed with an exit-status header. Output is truncated to the last %dKB; on truncation the full transcript is saved to `$PANTO_HOME/shell-output/` and its path is included for follow-up `read` calls. Default timeout 5 minutes.", MAX_BYTES / 1024),
-    schema = {
-        type = "object",
-        properties = {
-            command = { type = "string", description = "Shell command. Passed to `sh -c` verbatim; pipes, redirections, etc. work." },
-            cwd = { type = "string", description = "Working directory (default: cwd)." },
-            timeout = { type = "integer", description = "Hard timeout in seconds (default: " .. tostring(DEFAULT_TIMEOUT_S) .. ").", minimum = 1 },
-        },
-        required = { "command" },
-    },
-    handler = function(input)
+tool.handler = function(input)
         local command = input.command
         if type(command) ~= "string" or command == "" then
             return "Error: `command` must be a non-empty string."
@@ -427,5 +434,6 @@ return {
             end
         end
         return table.concat(parts, "\n")
-    end,
-}
+    end
+
+return tool
-- 
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