feat: add Agents UI to proprietary right sidebar (#6454)

Update UI to include agents

Run `task dev:all` to test

frontend/editor/public/locales/en-GB/translation.toml

@@ -2684,6 +2684,59 @@ title = "Change Permissions"
 [changePermissions.tooltip.warning]
 text = "To make these permissions unchangeable, use the Add Password tool to set an owner password."
 
+[agents]
+section_title = "Agents"
+fullscreen_title = "Stirling Agents"
+stirling_name = "Stirling"
+stirling_full_name = "Stirling General Agent"
+stirling_tooltip = "Stirling agent"
+stirling_description = "Your general-purpose PDF assistant"
+stirling_long_description = "General purpose PDF assistant that can run tools, create PDFs and extract insights from your documents."
+back_to_tools = "Back to tools"
+coming_soon = "Coming soon"
+view_all = "View all agents"
+show_less = "Show less"
+start_chat = "Start chatting"
+data_extraction_name = "Data Extraction"
+data_extraction_description = "Extract tables & structured data"
+doc_summary_name = "Summariser"
+doc_summary_description = "Summarise long documents"
+auto_redaction_name = "Auto Redaction"
+auto_redaction_description = "Redact PII automatically"
+compliance_name = "Compliance Check"
+compliance_description = "Audit documents for compliance"
+form_filler_name = "Form Filler"
+form_filler_description = "Fill PDF forms intelligently"
+pdf_to_markdown_name = "PDF to Markdown"
+pdf_to_markdown_description = "Convert PDFs to clean Markdown"
+
+[chat.header]
+settings = "Agent settings"
+agentMenu = "Stirling agent options"
+clearChat = "Clear chat"
+
+[chat.input]
+placeholder = "What do you want to do?"
+send = "Send message"
+attach = "Attach files"
+
+[chat.quickActions]
+heading = "Get started"
+openFromComputer = "Open from computer"
+browseYourFiles = "Browse your files"
+rotateOne = "Rotate this document"
+rotateMany = "Rotate these documents"
+compressOne = "Compress this document"
+compressMany = "Compress these documents"
+mergeMany = "Merge these {{count}} documents into 1"
+splitOne = "Split this document"
+convertOne = "Convert this document to PDF"
+convertMany = "Convert these documents to PDF"
+fileSummary_one = "1 file in workbench ({{types}})"
+fileSummary_other = "{{count}} files in workbench ({{types}})"
+moreFiles = "+{{count}} more"
+removeFile = "Remove {{name}}"
+
 [chat.progress]
 analyzing = "Analysing your request..."
 calling_engine = "AI is thinking..."
@@ -2699,6 +2752,15 @@ whole_doc_read_done = "Finished reading the document..."
 whole_doc_read_started = "Reading the document..."
 whole_doc_slice_done = "Reading the document... ({{percent}}% complete)"
 
+[chat.responses]
+done = "Done."
+need_clarification = "Could you clarify your request?"
+cannot_do = "I'm unable to do that."
+not_found = "I couldn't find the requested information."
+unsupported_capability = "Unsupported capability: {{capability}}"
+cannot_continue = "Something went wrong and I can't continue."
+processing = "Processing ({{outcome}})..."
+
 [chat.toolsUsed]
 summary = "Ran {{count}} tools"
 summary_one = "Ran 1 tool"
@@ -8072,6 +8134,11 @@ expand = "Expand panel"
 placeholder = "Choose a tool to get started"
 premiumFeature = "Premium feature:"
 search = "Search tools"
+toolsHeader = "Tools"
+viewAllTools = "View all tools"
+backToDefault = "Back"
+backToAllTools = "Back to all tools"
+goBack = "Go back"
 
 [toolPanel.fullscreen]
 comingSoon = "Coming soon:"