Fix code quality violations for publish

Remove unused blade settings pages not linked from UI
Convert remaining frontend pages to SPA actions
Convert settings user_settings and general to SPA actions
Convert settings profile pages to SPA actions
Convert contacts and projects add/edit pages to SPA actions
Convert clients add/edit page to SPA action with loading pattern
Refactor component scoped IDs from $id to $sid
Fix jqhtml comment syntax and implement universal error component system
Update all application code to use new unified error system
Remove all backwards compatibility - unified error system complete
Phase 5: Remove old response classes
Phase 3-4: Ajax response handler sends new format, old helpers deprecated
Phase 2: Add client-side unified error foundation
Phase 1: Add server-side unified error foundation
Add unified Ajax error response system with constants

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

node_modules/@jqhtml/vscode-extension/.version

@@ -1 +1 @@
-2.2.217
+2.2.218

node_modules/@jqhtml/vscode-extension/LLM_REFERENCE.md

@@ -117,7 +117,7 @@ Future versions may include:
 
 ### Component Usage
 ```jqhtml
-<MyComponent $id="instance" @click="handleClick">
+<MyComponent $sid="instance" @click="handleClick">
   <#slot>Content here</#slot>
 </MyComponent>
 ```
@@ -125,7 +125,7 @@ Future versions may include:
 ### Control Flow
 ```jqhtml
 <% for (let item of this.data.items): %>
-  <div $id="item_<%= item.id %>">
+  <div $sid="item_<%= item.id %>">
     <%= item.name %>
   </div>
 <% endfor; %>

node_modules/@jqhtml/vscode-extension/README.md

@@ -14,7 +14,7 @@ Full syntax highlighting for all JQHTML constructs:
 - **Slots**: `<#slotname>` with let:prop support
 - **Data Bindings**: `:property="value"`
 - **Event Handlers**: `@click="handler"`
-- **Special Attributes**: `$id="name"`, `$property="value"`
+- **Special Attributes**: `$sid="name"`, `$property="value"`
 - **Components**: `<MyComponent />`
 - **Comments**: `<%-- comment --%>`
 
@@ -38,7 +38,7 @@ Quick snippets for common patterns:
 | `ifelse` | If-else |
 | `for` | For loop |
 | `exp` | Expression `<%= %>` |
-| `$id` | Scoped ID attribute |
+| `$sid` | Scoped ID attribute |
 | `:prop` | Property binding |
 | `@event` | Event handler |
 | `slot` | Named slot |
@@ -81,7 +81,7 @@ All JQHTML syntax is highlighted with semantic colors:
 
 ```jqhtml
 <Define:UserCard>
-  <div class="user-card" $id="card">
+  <div class="user-card" $sid="card">
     <h2><%= this.data.name %></h2>
 
     <% if (this.data.isAdmin) { %>

node_modules/@jqhtml/vscode-extension/out/definitionProvider.js

@@ -678,7 +678,7 @@ class JqhtmlHoverProvider {
                 const markdown = new vscode.MarkdownString();
                 markdown.appendMarkdown(`**\`$redrawable\` Attribute**\n\n`);
                 markdown.appendMarkdown(`Converts this tag into an anonymous component class, allowing it to be redrawn on demand.\n\n`);
-                markdown.appendMarkdown(`**Usage:**\n\`\`\`javascript\nthis.$id('element_id').render()\n\`\`\`\n\n`);
+                markdown.appendMarkdown(`**Usage:**\n\`\`\`javascript\nthis.$sid('element_id').render()\n\`\`\`\n\n`);
                 markdown.appendMarkdown(`Call \`render()\` on the element's scoped ID to trigger a re-render of just this element without affecting the rest of the component.`);
                 const wordRange = new vscode.Range(new vscode.Position(position.line, line.indexOf('$redrawable')), new vscode.Position(position.line, line.indexOf('$redrawable') + '$redrawable'.length));
                 return new vscode.Hover(markdown, wordRange);

node_modules/@jqhtml/vscode-extension/package.json

@@ -2,7 +2,7 @@
   "name": "@jqhtml/vscode-extension",
   "displayName": "JQHTML",
   "description": "Syntax highlighting and language support for JQHTML template files",
-  "version": "2.2.217",
+  "version": "2.2.218",
   "publisher": "jqhtml",
   "license": "MIT",
   "publishConfig": {