feat: add tool scoping and orchestration markers to agent tool registry

Introduce `mark_orchestration_tools`, `set_tool_scope`, and `reset_tool_scope` in `agents/agent.py` to allow runtime filtering of tool payloads by scope and orchestration flag. Refactor `get_tool_payloads` to respect the active scope and exclude orchestration-only tools. Update `agents/core/__init__.py` with `worker_tool_names` helper that returns read/reasoning tools plus conditional write/verify tools per mode, replacing the old `payloads_for` exclusion logic. Modify `agents/maestro.py` to call `mark_orchestration_tools` and wire per-agent result recording via `on_result` callback in `run_fleet`. Extend `agents/orchestrator.py` `run_fleet` signature to accept an optional `on_result` callable and invoke it after each agent run. Revise `agents/style.py` em-dash rule to distinguish prose from data occurrences, and add repository layout guidance to `agents/base.py` MAINT_HEADER.

devplacepy/static/js/components/AppLightbox.js

@@ -2,18 +2,30 @@
 
 import { Component } from "./Component.js";
 
+const LB_CSS_ID = "lightbox-css";
+
 export class AppLightbox extends Component {
     connectedCallback() {
         if (this._built) {
             return;
         }
         this._built = true;
+        this._ensureCss();
         this.lastFocus = null;
         this.bodyOverflow = "";
         this.build();
         this.bind();
     }
 
+    _ensureCss() {
+        if (document.getElementById(LB_CSS_ID)) return;
+        const link = document.createElement("link");
+        link.id = LB_CSS_ID;
+        link.rel = "stylesheet";
+        link.href = "/static/css/lightbox.css";
+        document.head.appendChild(link);
+    }
+
     build() {
         const overlay = document.createElement("div");
         overlay.className = "lightbox-overlay";