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@webfiltered webfiltered commented Sep 7, 2025

WIP - on hold until time permits.

Layers:

  • Parses the debug process output of uv
  • Translates this into uv state store
  • Adds IPC to allow this data to be presented in the GUI

┆Issue is synchronized with this Notion page by Unito

- Document 13 distinct installation stages
- Create living document with detailed observations
- Build stage parser for programmatic detection
- Analyze 7400+ lines of debug output
- Corrected stage identification to 12 major stages
- Removed unnecessary download_completion stage
- Fixed parser to correctly handle all transitions
- Updated documentation with accurate stage details
- Document exact transition indicators for each stage
- Include actual output examples from the UV log
- Show precise patterns used to detect stage changes
- Use actual raw output from UV log
- Clearly identify fixed vs variable parts
- Add notes about spacing and formatting details
- Ensure patterns match exactly what parser detects
- Changed all 'log line' references to 'output'
- Fixed Stage 2 date format (2024-11-14 not 2025-05-30)
- Fixed Stage 8 indentation to match actual output
- Verified all output examples against actual log file
- Reduced stages from 12 to 11
- Cache checking is part of resolution setup, not a distinct stage
- Updated documentation and parser accordingly
- Explained why each specific log line indicates phase transition
- Included context about module transitions and log levels
- Clarified the logical progression between phases
- Added details about what distinguishes each phase from others
- Changed regex patterns from hardcoded 'ms'/'s' to '\w+'
- Updated documentation to note flexible time units
- Parser now handles ms, s, m, h, d, or any other suffix
- Cache checking was merged into resolution_setup
- Parser now correctly identifies 11 logged stages
- Initializing is stage 0 but never appears in logs
- Added regex pattern for each of the 11 stages
- Patterns match the exact log output formats
- Use flexible time units (\w+) as specified
- Patterns are ready for implementation in parser
- Kept all regex patterns in place
- Removed only the header lines as requested
- Maintains clean documentation format
- Identify Headers frame as true download start marker
- Document max_frame_size (16384 bytes) for byte calculation
- Detail 4-step download initiation sequence
- Add parallel download timeline with precise timings
- Include stream-to-package mapping and overlap analysis
- Remove hard-coded max_frame_size value
- Remove hard-coded stream-to-package mappings
- Remove unsupported concurrent download limit claim
- Clarify dynamic nature of stream assignment
- Replace specific timeline with general concurrency description
- Focus on the download pattern rather than specific instances
- Describe dynamic stream assignment process
- Document cache hit vs miss paths in metadata retrieval
- Clarify stages that only occur during downloads
- Update installation planning with all message types
- Remove hard-coded timing assumptions
- Note conditional stage execution based on cache state
- Add 'When this stage occurs' note to every stage
- Use consistent terminology throughout
- Clarify which stages are always vs conditionally executed
- Remove redundant notes about stage skipping
- Remove unnecessary 'When this stage occurs' for always-run stages
- Fix inconsistent wording (use 'Why this marks the phase start')
- Keep conditional notes only where needed (downloads/preparation)
- Maintain clean document structure
- Replace interpreted output with actual log lines
- Include timestamps and exact formatting from logs
- Fix Installation Planning to show real examples
- Fix Cache Hit path with actual log output
- Remove v2 file and update original parser
- Fix comment header and usage message
- Parser now correctly implements all 11 documented stages
The stages already document when things are skipped
Changed all instances from 'Why this marks the phase start:'
to consistent 'Why this marks the phase:' throughout document
- Define 12 distinct UV installation stages
- Create comprehensive type definitions for parsed output
- Design main IUVParser interface with full API
- Add streaming parser interface for real-time processing
- Include pattern matcher and validator interfaces
- Document implementation guidelines and patterns
- Provide extensibility through custom patterns
- Add TypeScript-first design with strict typing
Simple package lists will suffice for tracking installed/removed packages
- Analyzed 850K+ lines of UV output across 4 log files
- Confirmed each line has unique identifiers (no ambiguity)
- Redesigned IUVParser as purely stateless
- Added IUVStateManager for separate state tracking
- Renamed IUVStreamParser to IUVStreamProcessor
- Updated interfaces for separation of concerns
- Documented evidence in stateless-analysis.md
- Remove state-related options (trackAllLogs, trackCacheEvents, initialStage)
- Remove unnecessary callbacks (onParseError)
- Keep only customPatterns for extensibility
- Stateless parser should parse all recognizable lines
- Replace single interface with discriminated union based on direction
- Create Http2FrameSent and Http2FrameReceived types
- Improve type safety by discriminating on 'direction' field
- Both sent and received frames can have flags
- Maintain sizeIncrement for WindowUpdate frames
Only keep 'as const' for the type field where TypeScript needs
the literal type hint. Direction literals are correctly inferred.
- Replace 'as const' with 'satisfies' for better type safety
- Provides compile-time validation while preserving literal inference
- Import specific Http2Frame subtypes for satisfies usage
- Cleaner and more idiomatic TypeScript
The Http2Frame union was just an alias for Http2FrameSent | Http2FrameReceived.
With the discriminated union pattern, consumers need to discriminate on
direction anyway, so the wrapper type adds no value.

- Remove Http2Frame type alias
- Update UVParsedOutput to use specific types directly
- Update parser to use specific types for assertions
- Create comprehensive state management interfaces
- Implement UV process state tracking with events
- Add singleton UV state to app state
- Support multiple process types and tracking
- Integrate with existing parser for real-time updates
- Add helper functions for virtual environment integration
- Full TypeScript type safety with strict interfaces
- Event-driven architecture for UI updates
TypeScript projects should use extensionless imports for
local modules. The .js extensions are not needed and can
cause confusion in a TypeScript codebase.
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