tool_load: add dynamic tool loader with bash script

Add a tool_load tool that writes a tool name to the session's 9P
tools file via ollie-9p, enabling on-demand tool loading.

Reduce autoLoad lists in default.json and theo.json to bare
essentials — everything else is loaded via tool_load.

data/agents/default.json

@@ -6,33 +6,11 @@
   ],
   "autoLoad": [
     "file_read",
-    "file_write",
     "file_edit",
     "file_glob",
     "file_grep",
-    "memory_recall",
-    "memory_remember",
-    "lsp_definition",
-    "lsp_diagnostics",
-    "lsp_hover",
-    "lsp_references",
-    "lsp_symbols",
-    "gui_screenshot",
-    "gui_windows",
-    "gui_clipboard",
-    "gui_notify",
-    "image_read",
-    "skill_list",
-    "skill_load",
-    "subagent_generate",
-    "process_list",
-    "process_output",
-    "process_signal",
-    "process_dismiss",
-    "logseq",
-    "system_logs",
-    "browser_screencap",
-    "route"
+    "file_write",
+    "tool_load"
   ],
   "maxSteps": 50,
   "temperature": 0.5,

data/agents/theo.json

@@ -7,24 +7,11 @@
     "shell",
     "reasoning_think",
     "file_read",
+    "file_edit",
     "file_glob",
     "file_grep",
     "file_write",
-    "file_edit",
-    "gui_screenshot",
-    "gui_windows",
-    "gui_clipboard",
-    "gui_notify",
-    "image_read",
-    "memory_recall",
-    "memory_remember",
-    "lsp_definition",
-    "lsp_diagnostics",
-    "lsp_hover",
-    "lsp_references",
-    "lsp_symbols",
-    "skill_list",
-    "skill_load"
+    "tool_load"
   ],
   "maxSteps": 30,
   "temperature": 0.3,

data/tools/tool_load

@@ -0,0 +1,20 @@
+#!/bin/bash
+# args_json: {"type":"object","required":["name"],"properties":{"name":{"type":"string","description":"Tool name to load into the current session/agent"}}}
+# ollie:prompt
+# ## tool_load
+#
+# Load a tool into the current session/agent by writing its name to
+# `session/{sid}/agent/{aid}/tools` via ollie-9p.
+#
+# **Args**: `name` (required) — the tool name to load.
+#
+# ```
+# tool_load(name="file_read")
+# ```
+# ollie:end
+
+set -euo pipefail
+
+name=$(grep -oP '"name"\s*:\s*"\K[^"]+')
+echo "$name" | ollie-9p write "session/$OLLIE_SESSION_ID/agent/$OLLIE_UNAME/tools"
+echo "loaded: $name"

data/tools/tool_load.meta

@@ -0,0 +1,18 @@
+{
+  "description": "Load a tool into the current session/agent via ollie-9p.",
+  "prompt": "## tool_load\n\nLoad a tool into the current session/agent by writing its name to\n`session/{sid}/agent/{aid}/tools` via ollie-9p.\n\n**Args**: `name` (required) — the tool name to load.\n\n```\ntool_load(name=\"file_read\")\n```",
+  "args": {
+    "type": "object",
+    "required": [
+      "name"
+    ],
+    "properties": {
+      "name": {
+        "type": "string",
+        "description": "Tool name to load into the current session/agent"
+      }
+    }
+  },
+  "tier": "hot",
+  "readOnly": false
+}