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Changelog

All notable changes to this project will be documented in this file.

The format follows Keep a Changelog and this project adheres to Semantic Versioning.

1.2.1 (2026-06-25)

Bug Fixes

  • tracing: key runs by user message id (0e43ecc)
  • tracing: scope root spans to runs (8e8e5ca)

1.2.0 (2026-06-20)

Features

  • config: support OPENCODE_SPAN_ATTRIBUTES (93866c5)
  • handlers: add agent metadata to logs and spans (c2759e9)

Bug Fixes

  • config: preserve canonical project.id (0d02eac)

1.1.0 (2026-06-04)

Features

  • trace: support remote W3C parent context (1da0a85)
  • trace: support remote W3C parent context (83e3d42)

Bug Fixes

1.0.0 (2026-05-18)

⚠ BREAKING CHANGES

  • handlers: opencode.lines_of_code.count semantics have changed. Dashboards that sum() the counter previously saw inflated numbers; they will now see the correct net session totals. Existing queries do not need to change, but the numeric results will be smaller (and correct).

Features

  • otel: prewarm dynamic OTLP headers helper (6f62b8b)

Bug Fixes

  • handlers: address code-review feedback on lines_of_code semantics (a25022c)
  • handlers: address maintainer feedback on lines_of_code semantics (7f0802a)
  • handlers: emit lines_of_code.count as session delta, add .total gauge (9eaefc7)

0.9.0 (2026-05-01)

Features

  • otel: refresh dynamic headers on auth failure (b65dd2e)

Bug Fixes

  • bundle plugin to JS for server mode compatibility (37a86e8), closes #35
  • emit TypeScript declarations alongside bundled JS (ce22030)
  • otel: harden dynamic header helper (2810d31)
  • use prepack instead of prepublishOnly (bd7a4f9)

0.8.0 (2026-04-21)

Features

  • traces: align spans with OpenInference semantics (ce6ca28)

0.7.0 (2026-04-13)

Features

  • otel: add OTLP HTTP exporter support (d679862)

Bug Fixes

  • Add oc-plugin key to package.json (9975938)
  • Added oc-plugin key to package.json (db66f87)

[Unreleased]

Features

  • otel: add OTLP HTTP/protobuf exporter support via OPENCODE_OTLP_PROTOCOL

0.6.0 (2026-03-26)

Features

  • config: add OPENCODE_DISABLE_TRACES for per-type trace suppression (89cb9b9)
  • tracing: add OpenTelemetry traces with gen_ai.* and tool spans (0a00b43)
  • tracing: add OpenTelemetry traces with gen_ai.* and tool spans (6c848a7), closes #19

Bug Fixes

  • traces: apply metricPrefix to opencode span names and fix out-of-order parentage (65f1e70)

0.5.0 (2026-03-21)

Features

  • handlers: add agent usage metrics and sub-agent tracking (2d12f88)

0.4.1 (2026-03-16)

Bug Fixes

  • Normalize token and cost units for Claude compatibility (a8b35dc)
  • otel: normalize session token and cost units (12bfafe)
  • otel: normalize token and cost units for claude compatibility (aa3deca)

0.4.0 (2026-03-15)

Features

  • config: add OPENCODE_DISABLE_METRICS to suppress individual metrics (8ec7c48)

Bug Fixes

  • ci: remove NODE_AUTH_TOKEN to allow OIDC trusted publishing (fa4cbc7)
  • config: address code review findings on disable-metrics feature (1929327)

0.3.0 (2026-03-14)

Features

  • observability: add debug logging and enhanced metrics (a1b0a8c)

Bug Fixes

  • otel: use UCUM-compliant unit strings for all metric instruments (46681d8)

[0.2.0] — 2026-03-11

Changed

  • BREAKING — Package renamed to @devtheops/opencode-plugin-otel. Update your opencode config from "opencode-plugin-otel" to "@devtheops/opencode-plugin-otel".

[0.1.1] — 2026-03-11

Fixed

  • Release workflow now uses npm trusted publishing (OIDC) with Node 22.14.0 and creates a GitHub release with changelog notes and npm package link.

[0.1.0] — 2026-03-11

Added

  • Release workflow — .github/workflows/release.yml publishes to npm automatically when a v* tag is pushed, gated by typecheck and tests.
  • OPENCODE_OTLP_HEADERS — new env var for comma-separated key=value OTLP auth headers (e.g. x-honeycomb-team=abc,x-tenant=org). Copied to OTEL_EXPORTER_OTLP_HEADERS before the SDK initialises.
  • OPENCODE_RESOURCE_ATTRIBUTES — new env var for comma-separated key=value OTel resource attributes (e.g. service.version=1.2.3,deployment.environment=production). Copied to OTEL_RESOURCE_ATTRIBUTES before the SDK initialises.
  • JSDoc on all exported functions, types, and constants.
  • Regression tests covering OTEL_* passthrough behaviour — pre-existing values are preserved when OPENCODE_* vars are unset; OPENCODE_* vars overwrite when set.
  • README table of contents, usage examples for headers and resource attributes, and a security note advising that OPENCODE_OTLP_HEADERS may contain sensitive tokens and should not be committed to version control.

Changed

  • package.json main/module now point directly at src/index.ts; root index.ts re-export removed.
  • files field added to package.json — published package contains only src/, reducing install size.
  • All user-facing env vars are now consistently OPENCODE_-prefixed. loadConfig copies OPENCODE_OTLP_HEADERS → OTEL_EXPORTER_OTLP_HEADERS and OPENCODE_RESOURCE_ATTRIBUTES → OTEL_RESOURCE_ATTRIBUTES so the OTel SDK picks them up natively.
  • parseEnvInt now rejects partial numeric strings such as "1.5" or "5000ms", returning the fallback instead of silently truncating.

Removed

  • parseHeaders removed from src/otel.ts — the OTel SDK reads OTEL_EXPORTER_OTLP_HEADERS natively once loadConfig copies the value across.
  • Manual release:patch / release:minor / release:major npm scripts removed in favour of the tag-based CI workflow.