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Changelog

All notable changes to the Top-Down extension will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[0.1.0] - 2025-01-15

Added

Core Features

Config Table - Centralized configuration management with editable rows
Visual DAG View - Interactive dependency graph visualization
Timeline with Restore - Full history tracking with point-in-time restore
Speculative Preview - Real-time validation before saving

Commands

Top-Down: Open Config Table - Open the main panel
Top-Down: Promote to Configurable (Cmd+Shift+T) - Add any symbol to config
Top-Down: Insert Row ID - Quick insert row ID at cursor
Top-Down: Duplicate Row As Variant - Create -N variant copies
Top-Down: Ingest Workspace - Auto-scan and inject @td: markers
Top-Down: Restore From Backup - Revert workspace to pre-ingest state
Top-Down: Generate Shippable Defs - Export TypeScript/JavaScript/JSON defs
Top-Down: Re-scan Workspace - Discover newly added symbols

Validation

Circular dependency detection
Missing dependency warnings
Args field validation (unbalanced quotes, malformed flags)
Schema validation support

Runtime Libraries

Python runtime (topdown_runtime.py) with td() function
Python exporter (topdown_export.py) for generating defs
TypeScript/JavaScript generated defs

CI/CD

CLI validator (topdown_cli.py)
GitHub Action workflow template
Exit codes for CI integration

UI

Modern card-based layout
Purple accent theme
Tab navigation (Table View / DAG View)
Dependency chips with click-to-navigate
Status indicators (errors, warnings, locked)
Timeline sidebar with restore buttons

Technical

VS Code 1.85.0+ compatibility
Language server integration for symbol discovery
Automatic workspace initialization on first open
File backup system before destructive operations

[Unreleased]

Planned

Git branch-aware configs
Team permissions and cloud sync
Diff view when restoring
Export to YAML/TOML formats
VS Code settings for customization