Create STATE.scm project documentation file

STATE.scm

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+;;; STATE.scm - Universal Language Connector
+;;; Checkpoint file for AI conversation continuity
+;;; Format: Guile Scheme S-expressions
+;;; Reference: https://github.com/hyperpolymath/state.scm
+
+;;;============================================================================
+;;; METADATA
+;;;============================================================================
+
+(define-module (state)
+  #:export (project-state))
+
+(define state-metadata
+  '((format-version . "2.0")
+    (schema-version . "1.0")
+    (created . "2025-12-08")
+    (last-updated . "2025-12-08")
+    (generator . "claude-code")))
+
+;;;============================================================================
+;;; PROJECT CONTEXT
+;;;============================================================================
+
+(define project-context
+  '((name . "Universal Language Connector")
+    (repository . "universal-language-server-plugin")
+    (description . "LSP-based universal plugin architecture - one server powers plugins across all major editors")
+    (license . "MIT")
+    (language . "Rust")
+    (category . "developer-tools")))
+
+;;;============================================================================
+;;; CURRENT POSITION
+;;;============================================================================
+
+(define current-position
+  '((phase . "post-implementation")
+    (completion-percentage . 85)
+    (status . "in-progress")
+
+    (implemented
+     ((server
+       (lsp-handler . "complete")
+       (http-api . "complete")
+       (websocket . "complete")
+       (conversion-core . "complete")
+       (document-store . "complete")
+       (monitoring . "complete")
+       (auth . "complete"))
+
+      (formats
+       (markdown-html . "complete")
+       (html-markdown . "complete")
+       (html-json . "complete")
+       (json-markdown . "complete")
+       (yaml-json . "complete")
+       (xml-json . "complete")
+       (toml-json . "complete"))
+
+      (clients
+       (vscode . "complete")
+       (neovim . "complete")
+       (emacs . "complete")
+       (jetbrains . "complete")
+       (sublime . "complete")
+       (zed . "complete")
+       (helix . "complete"))
+
+      (infrastructure
+       (dockerfile . "complete")
+       (docker-compose . "complete")
+       (podman-compose . "complete")
+       (makefile . "complete")
+       (github-actions . "complete")
+       (gitlab-ci . "complete"))))
+
+    (architecture-validated
+     ((lsp-compliance . "basic-tests-passing")
+      (client-loc-constraint . "all-under-100-loc")
+      (performance-targets . "untested")
+      (real-editor-testing . "not-done")))))
+
+;;;============================================================================
+;;; ROUTE TO MVP V1
+;;;============================================================================
+
+(define mvp-v1-route
+  '((target-milestone . "production-ready-v1.0")
+
+    (critical-path
+     ((step-1
+       (task . "End-to-end testing with real editors")
+       (description . "Test LSP integration in actual VS Code, Neovim, Emacs instances")
+       (blockers . none)
+       (effort . "medium")
+       (priority . "P0"))
+
+      (step-2
+       (task . "Performance validation")
+       (description . "Run benchmarks to verify <100ms response, <50MB memory, <500ms startup")
+       (blockers . none)
+       (effort . "small")
+       (priority . "P0"))
+
+      (step-3
+       (task . "LSP 3.17 official compliance testing")
+       (description . "Run official LSP test suite, fix any compliance gaps")
+       (blockers . none)
+       (effort . "medium")
+       (priority . "P1"))
+
+      (step-4
+       (task . "Production hardening")
+       (description . "Error handling, graceful shutdown, rate limiting, input sanitization")
+       (blockers . none)
+       (effort . "medium")
+       (priority . "P1"))
+
+      (step-5
+       (task . "Documentation review")
+       (description . "Verify all docs match actual implementation, update API.md")
+       (blockers . none)
+       (effort . "small")
+       (priority . "P2"))))
+
+    (definition-of-done
+     ("All 7 editor clients work with real server"
+      "Performance benchmarks meet targets"
+      "LSP compliance tests pass"
+      "No critical security issues"
+      "Documentation accurate and complete"))))
+
+;;;============================================================================
+;;; KNOWN ISSUES
+;;;============================================================================
+
+(define known-issues
+  '((technical
+     ((issue-1
+       (severity . "low")
+       (component . "server/src/http.rs:181")
+       (description . "Uptime tracking not implemented - returns 0")
+       (fix . "Add startup timestamp to ServerState, calculate delta"))
+
+      (issue-2
+       (severity . "medium")
+       (component . "server/src/websocket.rs:72-76")
+       (description . "WebSocket subscription tracking incomplete - all clients receive all updates")
+       (fix . "Implement per-client subscription set, filter broadcasts"))
+
+      (issue-3
+       (severity . "low")
+       (component . "server/src/core.rs:222-280")
+       (description . "HTML to Markdown conversion is lossy - may lose formatting")
+       (fix . "Enhance scraper-based extraction, preserve more structure"))
+
+      (issue-4
+       (severity . "info")
+       (component . "README.md:330")
+       (description . "README says YAML/XML/TOML not supported, but Platinum RSR added them")
+       (fix . "Update README roadmap to mark these complete"))))
+
+    (documentation
+     ((issue-1
+       (description . "Mismatch between README roadmap and actual implementation")
+       (details . "Extended formats (YAML, XML, TOML) are implemented but not documented"))
+
+      (issue-2
+       (description . "Client READMEs referenced but don't exist")
+       (details . "README links to clients/vscode/README.md etc. which are missing"))))))
+
+;;;============================================================================
+;;; OPEN QUESTIONS
+;;;============================================================================
+
+(define open-questions
+  '((architectural
+     ((q1
+       (question . "Should WebSocket use per-document subscriptions or broadcast all?")
+       (context . "Current impl broadcasts everything, may not scale")
+       (proposed-answer . "Implement subscription filtering for production"))
+
+      (q2
+       (question . "Is Platinum RSR compliance a formal requirement or internal label?")
+       (context . "YAML/XML/TOML support marked as 'Platinum RSR' in comments")
+       (proposed-answer . "Clarify if this is a compliance standard or internal milestone"))))
+
+    (implementation
+     ((q1
+       (question . "How should conversion errors be surfaced to LSP clients?")
+       (context . "Currently uses show_message, could use diagnostics instead")
+       (proposed-answer . "Use diagnostics for persistent errors, messages for transient"))
+
+      (q2
+       (question . "Should the server serve web UI directly or via separate static server?")
+       (context . "web/ folder exists but no route serves it")
+       (proposed-answer . "Add static file serving to axum router for self-contained deployment"))))
+
+    (testing
+     ((q1
+       (question . "What is the official LSP 3.17 compliance test suite?")
+       (context . "CLAUDE.md mentions testing with 'official suite' but doesn't specify")
+       (proposed-answer . "Microsoft's vscode-languageserver-node has test utilities"))))))
+
+;;;============================================================================
+;;; LONG-TERM ROADMAP
+;;;============================================================================
+
+(define long-term-roadmap
+  '((v1-0
+     (target . "MVP Production Release")
+     (status . "in-progress")
+     (items
+      ("End-to-end editor testing"
+       "Performance benchmarks"
+       "LSP compliance validation"
+       "Documentation updates")))
+
+    (v1-1
+     (target . "Enhanced Conversion")
+     (status . "planned")
+     (items
+      ("Rich AST representation for all formats"
+       "Bidirectional conversion with minimal loss"
+       "Custom format plugin system"
+       "Conversion pipeline visualization")))
+
+    (v2-0
+     (target . "WASM Module")
+     (status . "future")
+     (items
+      ("WASM core module for sandboxed execution"
+       "Browser-native conversion without server"
+       "Edge deployment capability"
+       "Portable conversion runtime")))
+
+    (v2-1
+     (target . "Advanced LSP Features")
+     (status . "future")
+     (items
+      ("LSP 3.18 features when stabilized"
+       "Semantic tokens for format-specific highlighting"
+       "Code lens for inline conversion"
+       "Rename support across linked documents")))
+
+    (v3-0
+     (target . "Enterprise Features")
+     (status . "future")
+     (items
+      ("Multi-user collaboration"
+       "Access control and audit logging"
+       "Custom enterprise format support"
+       "SLA-grade reliability")))))
+
+;;;============================================================================
+;;; CRITICAL NEXT ACTIONS
+;;;============================================================================
+
+(define critical-next-actions
+  '((action-1
+     (priority . "P0")
+     (task . "Test VS Code extension with real server")
+     (description . "Install extension in VS Code, start server, verify LSP methods work")
+     (acceptance . "Can open markdown, see hover stats, execute convert commands"))
+
+    (action-2
+     (priority . "P0")
+     (task . "Run cargo bench or criterion benchmarks")
+     (description . "Verify performance meets <100ms response, <50MB memory targets")
+     (acceptance . "Benchmark results documented, all targets met"))
+
+    (action-3
+     (priority . "P1")
+     (task . "Fix WebSocket subscription filtering")
+     (description . "Implement per-client document subscription tracking")
+     (acceptance . "Clients only receive updates for subscribed documents"))
+
+    (action-4
+     (priority . "P1")
+     (task . "Add static file serving for web UI")
+     (description . "Serve web/ folder from HTTP server root")
+     (acceptance . "http://localhost:8080/ serves web UI"))
+
+    (action-5
+     (priority . "P2")
+     (task . "Update README roadmap")
+     (description . "Mark YAML/XML/TOML as complete, update feature matrix")
+     (acceptance . "README accurately reflects implementation status"))))
+
+;;;============================================================================
+;;; SESSION FILES
+;;;============================================================================
+
+(define session-files
+  '((created . ())
+    (modified . ())
+    (analyzed
+     ("server/src/core.rs"
+      "server/src/lsp.rs"
+      "server/src/http.rs"
+      "server/src/websocket.rs"
+      "server/Cargo.toml"
+      "server/tests/lsp_compliance.rs"
+      "clients/vscode/extension.ts"
+      "web/index.html"
+      "CLAUDE.md"
+      "README.md"))))
+
+;;;============================================================================
+;;; HELPER FUNCTIONS
+;;;============================================================================
+
+(define (get-completion-percentage)
+  "Return current project completion as percentage"
+  (assoc-ref current-position 'completion-percentage))
+
+(define (get-critical-blockers)
+  "Return list of P0 blocking issues"
+  (filter (lambda (action)
+            (equal? (assoc-ref action 'priority) "P0"))
+          (cdr critical-next-actions)))
+
+(define (get-mvp-status)
+  "Return MVP readiness assessment"
+  '((core-implementation . "complete")
+    (editor-clients . "complete")
+    (testing . "incomplete")
+    (documentation . "needs-update")
+    (production-hardening . "incomplete")))
+
+;;;============================================================================
+;;; STATE EXPORT
+;;;============================================================================
+
+(define project-state
+  `((metadata . ,state-metadata)
+    (context . ,project-context)
+    (position . ,current-position)
+    (mvp-route . ,mvp-v1-route)
+    (issues . ,known-issues)
+    (questions . ,open-questions)
+    (roadmap . ,long-term-roadmap)
+    (next-actions . ,critical-next-actions)
+    (session . ,session-files)))
+
+;;; End of STATE.scm