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Changelog

All notable changes to unfault-core will be documented in this file.

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

Unreleased

0.1.19 - 2026-02-03

Fixed

  • Python HTTP extraction: fold simple base URL f-string bindings built from os.getenv(..., default) so remote hosts/ports can be derived for cross-workspace resolution.

0.1.18 - 2026-02-03

Added

  • Cross-workspace HTTP tracing support:
    • Add workspace_id and listening_ports fields to IntermediateRepresentation.
    • Add IntermediateRepresentation::with_workspace() constructor.
    • Add detected_ports() method to SourceSemantics for port extraction.
  • Listening port detection from env var defaults across all languages:
    • Python: os.getenv("PORT", "8080"), os.environ.get("PORT", "8080")
    • Rust: env::var("PORT").unwrap_or("8081")
    • Go: os.Getenv with PORT-like variable names
    • TypeScript: process.env.PORT patterns

0.1.17 - 2026-02-02

Added

  • CodeGraph: emit remote server nodes and HttpCall edges for outbound HTTP callsites.
  • Rust HTTP extraction: propagate env var names through simple let bindings (e.g., let base = env::var("API_URL")...; format!("{}/...", base)).

0.1.16 - 2026-02-02

Changed

  • Formatting and clippy hygiene (no functional changes).

0.1.15 - 2026-01-29

Fixed

  • Rust HTTP detection: detect chained reqwest::Client::new().post(url) patterns for outbound fault injection cards.

0.1.14 - 2026-01-29

0.1.13 - 2026-01-29

Fixed

  • Rust route extraction: correctly handle chained builder calls (Axum .route(...), Actix .route(...), Rocket .mount(...), Tide .at(...).get(...).post(...), Poem .at(..., get(...).post(...))).
  • Rust route handlers: populate HTTP metadata on existing function nodes and add a best-effort synthetic Calls edge from the registrar (typically main) to the handler for impact analysis.

0.1.12 - 2026-01-28

Added

  • Cross-language URL env-var extraction for HTTP calls (Go: os.Getenv, Rust: std::env::var/env!, TypeScript: process.env/import.meta.env/Bun.env/Deno.env.get).
  • Go/Rust HTTP URL literal + expression metadata for client callsites.
  • Richer HTTP call extraction parity:
    • Go: timeout values (seconds), request/context association for client.Do(req), and retryablehttp classification.
    • TypeScript: timeout values (seconds), instance tracking (axios.create, got.extend, ky.create/extend), and best-effort base URL joining.
    • Rust: tighter reqwest binding detection, improved retry recognition, and loop context propagation.
    • Python: http detection upgraded toward httpx-level richness (client defaults, timeout values, retry mapping).
  • Prefix-aware route extraction across frameworks:
    • Go: Gin groups, Chi Route/Mount, and Gorilla/mux PathPrefix(...).Subrouter().
    • Rust: Axum nest/service routes, Actix-web scope nesting, Rocket mount prefixes.
    • TypeScript: Express router mounts, Fastify register prefixes, NestJS controller prefixes.
  • FastAPI: include_router(..., prefix=...) parsing and path composition with APIRouter(prefix=...).
  • Django: method inference for views (decorators and class-based views) and richer URL pattern metadata.
  • CodeGraph best-effort cross-file route composition:
    • FastAPI: apply include_router(..., prefix=...) prefixes to imported router modules.
    • Django: follow include(...) across urlconf modules and compose path prefixes into handler HTTP metadata.
  • Django URL patterns emitted as common RoutePattern entries (best-effort; includes skipped in per-file emission).
  • Language support audit document: docs/language-support-audit.md.

Fixed

  • Stop tracking .unfault/ cache artifacts.

0.1.11 - 2026-01-28

  • Extend support on env var detection

0.1.7 - 2026-01-15

  • Add missing license file

0.1.6 - 2026-01-15

  • Fix publishing of the crate

0.1.4 - 2026-01-14

Added

  • Added start_line/end_line attributes to Function nodes for precise code location.
  • Added HTTP call detection on client instances in Python analysis.

Fixed

  • Populated start_line/end_line for route handler function nodes.
  • Fixed body_lines calculation from location range for accurate function end line detection.
  • Filtered non-HTTP methods from HTTP call detection to reduce false positives.

Docs

  • Added CONTRIBUTING.md guide.

0.1.3 - 2026-01-09

Added

  • Added SLO nodes and route lookup helpers to support observability-aware workflows.
  • Extended FastAPI analysis with lifespan detection and improved dependency injection edge resolution.

0.1.1 - 2026-01-06

Fixed

  • Prevent method calls like db.add() from being misinterpreted as function calls to add() (both for local functions and imported functions).

0.1.0 - 2026-01-06

Added

  • Client-side parsing and graph construction for Python, Go, Rust, and TypeScript.
  • Framework summaries and route extraction (e.g., FastAPI, net/http, Express/NestJS/Fastify).
  • Common semantics extraction across languages (annotations, route patterns, error contexts).