Feat v0.2.5 ui polish dead code (#9)

Co-authored-by: Jeffrey Smith <jasafpro@gmail.com>
Co-committed-by: Jeffrey Smith <jasafpro@gmail.com>

server/pages/templates/base.html

@@ -12,13 +12,8 @@
     <link rel="stylesheet" href="{{.BasePath}}/css/layout.css?v={{.Version}}">
     <link rel="stylesheet" href="{{.BasePath}}/css/primitives.css?v={{.Version}}">
     <link rel="stylesheet" href="{{.BasePath}}/css/modals.css?v={{.Version}}">
-    {{/* chat.css removed in v0.37.10 — replaced by sw-chat-surface.css + sw-chat-pane.css */}}
-    {{/* panels.css, pane-container.css, chat-pane.css removed in v0.37.10 */}}
     <link rel="stylesheet" href="{{.BasePath}}/css/surfaces.css?v={{.Version}}">
-    {{/* splash.css removed in v0.37.12 — login is Preact with sw-login.css */}}
     <link rel="stylesheet" href="{{.BasePath}}/css/sw-primitives.css?v={{.Version}}">
-    <link rel="stylesheet" href="{{.BasePath}}/css/sw-chat-pane.css?v={{.Version}}">
-    <link rel="stylesheet" href="{{.BasePath}}/css/sw-notes-pane.css?v={{.Version}}">
     <link rel="stylesheet" href="{{.BasePath}}/css/user-menu.css?v={{.Version}}">
     <link rel="stylesheet" href="{{.BasePath}}/css/tool-grants.css?v={{.Version}}">
     <link rel="stylesheet" href="{{.BasePath}}/css/workflow.css?v={{.Version}}">
@@ -94,6 +89,7 @@
         {{if eq .Surface "admin"}}{{template "surface-admin" .}}
         {{else if eq .Surface "team-admin"}}{{template "surface-team-admin" .}}
         {{else if eq .Surface "settings"}}{{template "surface-settings" .}}
+        {{else if eq .Surface "welcome"}}{{template "surface-welcome" .}}
         {{else if and .Manifest (eq .Manifest.Source "extension")}}{{template "surface-extension" .}}
         {{else}}<div style="padding:20px">Unknown surface: {{.Surface}}</div>
         {{end}}
@@ -128,6 +124,7 @@
     {{if eq .Surface "admin"}}{{template "scripts-admin" .}}{{end}}
     {{if eq .Surface "team-admin"}}{{template "scripts-team-admin" .}}{{end}}
     {{if eq .Surface "settings"}}{{template "scripts-settings" .}}{{end}}
+    {{if eq .Surface "welcome"}}{{template "scripts-welcome" .}}{{end}}
     {{/* v0.27.0: Extension surface JS — loaded from /surfaces/{id}/js/main.js */}}
     {{if and .Manifest (eq .Manifest.Source "extension")}}
     <script type="module" nonce="{{.CSPNonce}}" src="{{.BasePath}}/surfaces/{{.Surface}}/js/main.js?v={{.Version}}"></script>

server/pages/templates/components/chat-pane.html

@@ -1,38 +0,0 @@
-{{/*
-    Chat Pane Component - reusable chat scaffold.
-    Usage: {{template "chat-pane" dict "ID" "main"}}
-    Creates mount points: {ID}ChatMessages, {ID}ChatInput, {ID}SendBtn, {ID}ModelSel
-    ChatPane.create() in chat-pane.js binds to these IDs.
-
-    The header bar ({ID}ChatHeader) is hidden by default.
-    Standalone panes (editor assist) show it for chat switching + model selection.
-*/}}
-{{define "chat-pane"}}
-<div class="chat-pane" id="{{.ID}}ChatPane">
-    <div class="chat-pane-header" id="{{.ID}}ChatHeader" style="display:none;">
-        <div class="chat-pane-header-left">
-            <select class="chat-pane-chat-select" id="{{.ID}}ChatSelect" title="Switch chat">
-                <option value="">New conversation</option>
-            </select>
-            <button class="chat-pane-new-btn" id="{{.ID}}ChatNewBtn" title="New chat">
-                <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="12" y1="5" x2="12" y2="19"/><line x1="5" y1="12" x2="19" y2="12"/></svg>
-            </button>
-        </div>
-        <div class="chat-pane-header-right">
-            <div class="chat-pane-model-sel" id="{{.ID}}ModelSel"></div>
-        </div>
-    </div>
-    <div class="chat-pane-messages" id="{{.ID}}ChatMessages"></div>
-    <div class="chat-pane-input-bar">
-        <div class="chat-pane-input-wrap">
-            <div class="chat-pane-input" id="{{.ID}}ChatInput"></div>
-            <button class="chat-pane-send" id="{{.ID}}SendBtn" title="Send">
-                <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
-                    <line x1="22" y1="2" x2="11" y2="13"/><polygon points="22 2 15 22 11 13 2 9 22 2"/>
-                </svg>
-            </button>
-        </div>
-        <div class="chat-pane-toolbar" id="{{.ID}}Toolbar"></div>
-    </div>
-</div>
-{{end}}

server/pages/templates/surfaces/welcome.html

@@ -0,0 +1,25 @@
+{{/*
+    Welcome surface — shown when no extension surfaces are installed.
+    Renders topbar + welcome card with getting-started info.
+*/}}
+
+{{define "surface-welcome"}}
+<div id="welcome-mount" style="display:flex;flex-direction:column;height:100%;"></div>
+{{end}}
+
+{{define "scripts-welcome"}}
+<script type="module" nonce="{{.CSPNonce}}">
+    const { h, render } = await import('{{.BasePath}}/js/sw/vendor/preact.module.js');
+    const hooksModule = await import('{{.BasePath}}/js/sw/vendor/hooks.module.js');
+    const { default: htm } = await import('{{.BasePath}}/js/sw/vendor/htm.module.js');
+    const html = htm.bind(h);
+    window.preact = window.preact || { h, render };
+    window.hooks = window.hooks || hooksModule;
+    window.html = window.html || html;
+
+    const { boot } = await import('{{.BasePath}}/js/sw/sdk/index.js?v={{.Version}}');
+    await boot();
+
+    await import('{{.BasePath}}/js/sw/surfaces/welcome/index.js?v={{.Version}}');
+</script>
+{{end}}

server/pages/templates/workflow.html

@@ -9,7 +9,6 @@
     <link rel="icon" type="image/x-icon" href="{{.BasePath}}/favicon.ico?v={{.Version}}">
     <link rel="stylesheet" href="{{.BasePath}}/css/variables.css?v={{.Version}}">
     <link rel="stylesheet" href="{{.BasePath}}/css/primitives.css?v={{.Version}}">
-    <link rel="stylesheet" href="{{.BasePath}}/css/chat.css?v={{.Version}}">
     <style>
         * { margin: 0; padding: 0; box-sizing: border-box; }
         body { font-family: var(--font); background: var(--bg); color: var(--text); }