fgn / go-langfuse

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      "created_at": "2026-07-17T15:53:00Z",
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      "updated_at": "2026-07-22T08:10:51Z",
      "description": "Langfuse client for Go, built on OpenTelemetry",
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      "releases": [
        {
          "tag": "v0.4.0",
          "kind": "minor",
          "published_at": "2026-07-21T22:45:50Z"
        },
        {
          "tag": "v0.2.0",
          "kind": "minor",
          "published_at": "2026-07-20T13:32:05Z"
        },
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        },
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        }
      ],
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        {
          "oid": "c46a821830b9c4bd9ee33f59896f2b74a376b5e9",
          "body": null,
          "is_bot": false,
          "headline": "Merge pull request #6 from fgn/docs-clarity",
          "author_name": "fgn",
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          "committed_at": "2026-07-22T08:10:05Z",
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        },
        {
          "oid": "cce60a1199e65aea0cec3b5707b52c4cc145b6c1",
          "body": "Prose in the README, reference doc, changelog, and code comments now uses\nplain punctuation: parentheses for asides, colons for enumerations, and\nseparate sentences where one sentence carried several clauses. No factual\ncontent changed.",
          "is_bot": false,
          "headline": "Remove em-dashes and split overlong sentences",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-21T23:53:54Z",
          "body_truncated": false,
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        },
        {
          "oid": "79fa525f0ceda49a4977649eb3358bb23bbbb629",
          "body": "The README leads with what the library is and six differentiators, then\nteaches one concept per section: install, a compiled quickstart with the\nthree context rules, observations, scores, prompts, sampling, provider\nmodes, and privacy, each with its smallest honest snippet and a link to\nthe deeper g\n[…]\ninistic\nTraceSampledAt example demonstrating fraction nesting, and Prompt.Compile\nwith verified output; the ConfigFromEnv example now lists\nLANGFUSE_SAMPLE_RATE. The package comment mentions sampling.",
          "is_bot": false,
          "headline": "Restructure documentation for clarity and pkg.go.dev",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-21T23:48:10Z",
          "body_truncated": true,
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        },
        {
          "oid": "eb6cfd052daf697334e0a9c7ddf15d5c8c1e10a9",
          "body": null,
          "is_bot": false,
          "headline": "Record 0.4.0 in the changelog and set the SDK version",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-21T22:45:33Z",
          "body_truncated": false,
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        },
        {
          "oid": "c88cda1407d2c1c399d7530b91586f28b8e53142",
          "body": null,
          "is_bot": false,
          "headline": "Merge pull request #5 from fgn/sampling",
          "author_name": "fgn",
          "author_login": "fgn",
          "committed_at": "2026-07-21T22:42:30Z",
          "body_truncated": false,
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        },
        {
          "oid": "19ccad27be26b995203f7cf61893fce3217404bb",
          "body": null,
          "is_bot": false,
          "headline": "Use generic session IDs in score wire test data",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-21T22:37:40Z",
          "body_truncated": false,
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        {
          "oid": "2b16c157384aa34081d070823c7b360fccce7766",
          "body": "Config.SampleRate (LANGFUSE_SAMPLE_RATE) sets the default fraction and\nWithSampleRate overrides it per context path, so one process can export\ndifferent kinds of traces at different rates. Decisions are a\ndeterministic threshold on the trace ID matching OpenTelemetry's\nTraceIDRatioBased, made once p\n[…]\n\nthrough a processor-confirmed token, so a start that misses admission\nor observes the stopped transition returns the no-op observation\ninstead of a live handle whose export path is already torn down.",
          "is_bot": false,
          "headline": "Add deterministic trace sampling for isolated mode",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-21T22:35:07Z",
          "body_truncated": true,
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        {
          "oid": "ee487be7ddd67da7909ce8fe896f19ce43bc3e27",
          "body": "Move the prompt-management, EndAt, detached-trace, and score\ningestion entries from Unreleased into a 0.3.0 section dated\n2026-07-21, and reword the score ingestion bullet to avoid dashes.",
          "is_bot": false,
          "headline": "Record 0.3.0 in the changelog",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-21T20:26:23Z",
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        {
          "oid": "1577fba80dd9f0537e019b9cd10ba33ab3774992",
          "body": null,
          "is_bot": false,
          "headline": "Merge pull request #4 from fgn/prompt-ergonomics",
          "author_name": "fgn",
          "author_login": "fgn",
          "committed_at": "2026-07-21T19:41:22Z",
          "body_truncated": false,
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        },
        {
          "oid": "94eed7ff8909537134cdcae2be700d17ce872cc5",
          "body": "The reference still described a wrapped decode error; align it with the\nmethod's actual contract (fixed invalid-target / incompatible-config\ncategories, encoding/json error intentionally not wrapped).",
          "is_bot": false,
          "headline": "Document DecodeConfig's payload-free error contract",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-21T18:05:16Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "d5d5e11859a7fccd99f57d7c801c8c719d282036",
          "body": "A prompt config is server-controlled, so DecodeConfig no longer wraps the\nencoding/json error, whose text can echo config values (for example an\noverflowing numeric literal) or offending bytes into an error callers\nroutinely log. Failures now map to payload-free categories naming only the\ncaller-owned target type: an invalid target is distinguished from an\nincompatible config. Also document that PromptQuery.Type filters per call\nand does not suppress the shared cache entry's refresh.",
          "is_bot": false,
          "headline": "Keep prompt config decode errors payload-free",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-21T18:00:18Z",
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        },
        {
          "oid": "d5aa2ca16c61c4ec460c8da56a80fcabf8d91661",
          "body": null,
          "is_bot": false,
          "headline": "feat: improve prompt API ergonomics",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-21T17:35:32Z",
          "body_truncated": false,
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        },
        {
          "oid": "0c62dd808aa8301369019294bc5371b1efb7600b",
          "body": null,
          "is_bot": false,
          "headline": "Merge pull request #3 from fgn/prompt-management",
          "author_name": "fgn",
          "author_login": "fgn",
          "committed_at": "2026-07-21T17:18:31Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "0abe5159094b6b44550275e8f985c658b42bf5be",
          "body": "- Direct-fetch shutdown branch now returns the caller's context error when\n  cancellation raced the shutdown transition, matching the cap branch.\n- Fallback validation gates on the in-memory size budget before the O(n)\n  UTF-8/JSON scans, so an oversized Config or Extra cannot burn validation\n  CPU \n[…]\ntric.\n- SetTestErrorHandler restores the real previous OpenTelemetry handler, and\n  the reentrant-diagnostic test now proves the handler ran and its Shutdown\n  completed rather than passing vacuously.",
          "is_bot": false,
          "headline": "Close round-2 residual notes",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-21T16:28:34Z",
          "body_truncated": true,
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        },
        {
          "oid": "61a06f43b95706cef22847e42a328a99bdffb987",
          "body": "- Reject a nil context before the nil/disabled-client and fallback short\n  circuits, so a nil ctx is always a synchronous error (never masked by a\n  fallback).\n- Make caller cancellation deterministically win on every blocking cache\n  path: check the caller context before admission, on admission err\n[…]\n,\n  LRU eviction, transient-refresh cooldown, fallback inference/bounds/\n  snapshot isolation, multibyte name and label bounds) driven by observed\n  state and a refresh-commit seam rather than sleeps.",
          "is_bot": false,
          "headline": "Address codex implementation review round 1",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-21T16:17:05Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "fa5237e65107d6e3586d23df8364ec294713f32c",
          "body": "Implements the agreed prompt-loading design: GetPrompt fetches text and\nchat prompts from GET /api/public/v2/prompts with client-side caching —\n60-second default TTL judged per call, stale-while-revalidate with one\ngeneration-guarded background refresh per key and a 10-second failure\ncooldown, singl\n[…]\n flights, refreshes, and\ncache-disabled fetches deterministically before returning.\n\nThe live compatibility test round-trips the seeded live prompt, and the\ncompile scanner joins the fuzz smoke suite.",
          "is_bot": false,
          "headline": "Add prompt management reads with cached GetPrompt",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-21T15:32:51Z",
          "body_truncated": true,
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        },
        {
          "oid": "9faf92fdbc816273e157c70b5c109a8b52335444",
          "body": null,
          "is_bot": false,
          "headline": "Merge pull request #2 from fgn/retro-end-detach-scores",
          "author_name": "fgn",
          "author_login": "fgn",
          "committed_at": "2026-07-21T13:46:32Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "f155d9fff5dfbb35a84c7bea08264d2ebb2b26c1",
          "body": "A non-207 2xx now succeeds on status alone, as the delivery contract\nalready described: the deleted body inspection was untested, and it\nclassified by the first error entry without matching the submitted\nevent ID, so a foreign error entry in an intermediary's 200 body could\ndrop a stored score. The \n[…]\nh what it returns, the detach\ncomment in context.go is trimmed to the state-key invariant it\ndocuments, and the score-delivery docs defer retry classification to\nthe reference instead of restating it.",
          "is_bot": false,
          "headline": "Simplify ingestion response handling to the 207 contract",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-21T13:36:05Z",
          "body_truncated": true,
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        },
        {
          "oid": "5e41b425ae4a13158ce5389b298be031196cb57e",
          "body": "Review finding: counting result entries let a success for a different\nevent ID, or an entry without an ID, mark this score delivered, and\nan unrelated event's permanent error could drop it. The transport now\ncarries the envelope event ID with each queued delivery and requires\nthe 207 result to name \n[…]\nsuccess entry for the ID completes delivery, and any\nother 207 retries as an unknown outcome. Also point the live score\nread-back at /api/public/v3/scores and correct the doc.go transport\ndescription.",
          "is_bot": false,
          "headline": "Match ingestion 207 results by envelope event ID",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-20T23:35:50Z",
          "body_truncated": true,
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        },
        {
          "oid": "79e02b7f929a428c5e3f6ced805e44070c8b44ac",
          "body": "Review findings: a parsable 207 body of null, an empty object, or\nempty successes and errors arrays does not account for the single\nsubmitted event, so it now retries as an unknown outcome instead of\ncounting as delivery. All retryable 207 paths now honor Retry-After\nso a server-requested delay beyond the remaining budget terminates\nretries as documented.",
          "is_bot": false,
          "headline": "Require ingestion 207 responses to account for the submitted event",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-20T23:19:23Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "7a08857c757888dd13af776a8d907a920116701c",
          "body": "Review findings: a 207 body is part of the delivery contract, so an\nunreadable, truncated, or malformed one now retries instead of\ncounting as delivered, and an item error without a status retries as\ntransient instead of being dropped as status 0. Other 2xx responses\nkeep the lenient status-only success rule for intermediaries.\nScore.Timestamp must serialize to a valid RFC 3339 wire value, so a\nUTC year outside 0000-9999 is now a synchronous validation error.",
          "is_bot": false,
          "headline": "Harden ingestion 207 handling and validate score timestamp range",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-20T23:13:21Z",
          "body_truncated": false,
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        },
        {
          "oid": "f35d2f74710e0dccaa55e3c63c601d3010e2bdc3",
          "body": "The score wire path moved to the ingestion endpoint, so live\nverification must prove a backdated Score.Timestamp survives the\nround trip and that an explicit EndAt end time and completion start\ntime read back exactly.",
          "is_bot": false,
          "headline": "Round-trip EndAt timeline and backdated score in the live test",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-20T23:01:51Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "2c01ad0e66fa4bbe3831610b1a6a7c99afb8de11",
          "body": "Clearing the parent span context with the standard OpenTelemetry\nhelper already starts a new application-root trace, the fresh random\ntrace ID cannot match a stale application-root claim, and the\nactive-observation pointer is only consulted while the ambient span\ncontext still matches. Lock that con\n[…]\ngrowing the public API. The remaining public\ndelta is Observation.EndAt plus the Score.Timestamp and\nScore.ConfigID fields, each irreducible for explicit end times and\nscore backdating/config binding.",
          "is_bot": false,
          "headline": "Drop WithDetachedTrace; document the OTel detach pattern instead",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-20T22:59:04Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "abcf06698b9b5f8485c8b857aca27fcd260372bb",
          "body": "- Observation.EndAt ends an observation at an explicit time so\n  retroactive instrumentation can reproduce the observed timeline\n  together with StartTime and CompletionStartTime.\n- Client.WithDetachedTrace starts a new trace root for work that\n  outlives its request while propagated trace attribute\n[…]\nic/ingestion (the envelope carries the score\n  timestamp, matching the official SDKs) with per-item 207 error\n  handling: item statuses 408/429/5xx retry, others drop with a\n  payload-free diagnostic.",
          "is_bot": false,
          "headline": "Add EndAt, WithDetachedTrace, and score backdating",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-20T22:46:41Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "b76e22cb120ab6220db53330e28e5235cc5d57d9",
          "body": "RecordScore previously performed one synchronous HTTP request with the\ncaller's context and returned transport errors; a Langfuse blip lost\nfeedback and blocked the request path. Scores are now validated\nsynchronously, queued (bounded, 256), and delivered by a background\ndispatcher that retries netw\n[…]\nroutines with bounded concurrency; redirects are never\n  followed.\n- The public API surface is unchanged.\n\nRelease 0.2.0: the RecordScore error contract change is a documented\npre-1.0 breaking change.",
          "is_bot": false,
          "headline": "Deliver scores asynchronously with bounded retry",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-20T13:27:23Z",
          "body_truncated": true,
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        },
        {
          "oid": "b3f8879cb88ca48931f3d22af53a27052623f180",
          "body": null,
          "is_bot": false,
          "headline": "Highlight observation type support in the README",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-17T22:21:56Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "9dab3b078677b697542d7f11d1b8cb9a1e0da01b",
          "body": "…p-go-7.0.0\n\nBump actions/setup-go from 5.6.0 to 7.0.0",
          "is_bot": false,
          "headline": "Merge pull request #1 from fgn/dependabot/github_actions/actions/setu…",
          "author_name": "fgn",
          "author_login": "fgn",
          "committed_at": "2026-07-17T21:54:00Z",
          "body_truncated": false,
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        {
          "oid": "2e1f9f990148fb116bd33213dd768ba922b25a4e",
          "body": null,
          "is_bot": false,
          "headline": "Merge branch 'go-langfuse'",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-17T21:21:17Z",
          "body_truncated": false,
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        },
        {
          "oid": "684702115c4028bbd135194b095737ae64d350d0",
          "body": null,
          "is_bot": false,
          "headline": "Bump SDK version to 0.1.1",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-17T21:21:09Z",
          "body_truncated": false,
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        {
          "oid": "786b28582fcdf7668e1c911513f145310f3e8966",
          "body": null,
          "is_bot": false,
          "headline": "Add unified Go CI task",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-17T21:09:40Z",
          "body_truncated": false,
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        },
        {
          "oid": "76e43d843862cf7d7c053dc1fa9f5043af852bf8",
          "body": "The README states the semantic-versioning promise plainly instead of\nreferencing the internal release process, and the maintainer live-gate\nchecklist moves from the compatibility matrix into RELEASING.md.",
          "is_bot": false,
          "headline": "Reword release and compatibility notes for outside readers",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-17T20:43:15Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "d39950f6d9b4224cd40e998c78909e0025ca6595",
          "body": "Moves the changelog to the 0.1.0 heading and replaces the pre-release\nwarning with the v0.x stability wording.",
          "is_bot": false,
          "headline": "Prepare the v0.1.0 release",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-17T20:25:14Z",
          "body_truncated": false,
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        },
        {
          "oid": "684aee32fab652157b36cb18cb3a1afcd39c4cb9",
          "body": "The README now follows the official Langfuse SDK style: short intro\nwith capabilities, install, one quickstart, compact API sections, and a\ndocumentation links block. Configuration, limits, buffering, lifecycle,\nand sampling detail moves to docs/reference.md; the content-privacy\nboundary and masker example move to docs/privacy.md; borrowed-mode\nnotes merge into the existing OpenTelemetry guide. Adds a short-lived\nFlush example.",
          "is_bot": false,
          "headline": "Restructure README as a front door with reference docs split out",
          "author_name": "Fredrik Gustafsson",
          "author_login": "fgn",
          "committed_at": "2026-07-17T18:14:51Z",
          "body_truncated": false,
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        },
        {
          "oid": "7dec9b991cfcb8e898e69e1f6413d03d43900fc7",
          "body": "Bumps [actions/setup-go](https://github.com/actions/setup-go) from 5.6.0 to 7.0.0.\n- [Release notes](https://github.com/actions/setup-go/releases)\n- [Commits](https://github.com/actions/setup-go/compare/40f1582b2485089dde7abd97c1529aa768e1baff...b7ad1dad31e06c5925ef5d2fc7ad053ef454303e)\n\n---\nupdated\n[…]\n- dependency-name: actions/setup-go\n  dependency-version: 7.0.0\n  dependency-type: direct:production\n  update-type: version-update:semver-major\n...\n\nSigned-off-by: dependabot[bot] <support@github.com>",
          "is_bot": true,
          "headline": "Bump actions/setup-go from 5.6.0 to 7.0.0",
          "author_name": "dependabot[bot]",
          "author_login": "dependabot[bot]",
          "committed_at": "2026-07-17T15:53:54Z",
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                "name": "OpenSSF Scorecard: Maintained",
                "detail": "project was created within the last 90 days. Please review its contents carefully",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 10
              }
            ]
          },
          {
            "key": "release_discipline",
            "band": "excellent",
            "name": "Release discipline",
            "note": "Excluded from scoring (no data or not applicable): OpenSSF Scorecard: Signed-Releases. Remaining weights renormalized.",
            "notes": [
              {
                "code": "excluded_no_data",
                "params": {
                  "components": [
                    "openssf_scorecard_signed_releases"
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                }
              },
              {
                "code": "weights_renormalized",
                "params": {}
              }
            ],
            "value": 100,
            "inputs": {
              "releases_count": 4,
              "latest_release_tag": "v0.4.0",
              "releases_from_tags": false,
              "days_since_latest_release": 0,
              "mean_days_between_releases": 1.4
            },
            "components": [
              {
                "key": "ships_releases",
                "name": "Ships releases",
                "detail": "4 releases published",
                "points": 27,
                "status": "met",
                "details": [
                  {
                    "code": "releases_published",
                    "params": {
                      "count": 4
                    }
                  }
                ],
                "max_points": 27
              },
              {
                "key": "release_recency",
                "name": "Release recency",
                "detail": "latest release 0 days ago",
                "points": 36,
                "status": "met",
                "details": [
                  {
                    "code": "release_recency",
                    "params": {
                      "days": 0
                    }
                  }
                ],
                "max_points": 36
              },
              {
                "key": "release_cadence",
                "name": "Release cadence",
                "detail": "a release every ~1.4 days",
                "points": 27,
                "status": "met",
                "details": [
                  {
                    "code": "release_cadence",
                    "params": {
                      "gap": 1.4
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                  }
                ],
                "max_points": 27
              },
              {
                "key": "openssf_scorecard_signed_releases",
                "name": "OpenSSF Scorecard: Signed-Releases",
                "detail": "no releases found",
                "points": 0,
                "status": "excluded",
                "details": [
                  {
                    "code": "no_data",
                    "params": {}
                  }
                ],
                "max_points": 10
              }
            ]
          },
          {
            "key": "abandonment",
            "band": "excellent",
            "name": "Abandonment",
            "note": null,
            "notes": [],
            "value": 100,
            "inputs": {
              "cap": null,
              "state": "unverified",
              "guards": [],
              "signals": [],
              "red_flag": false,
              "multiplier_pct": 100,
              "declared_reason": null,
              "unverified_reason": "repository_too_young",
              "unanswered_open_prs": null,
              "unanswered_open_issues": null,
              "days_since_last_merged_pr": null,
              "days_since_last_human_commit": null,
              "days_since_last_human_commit_is_floor": false
            },
            "components": [
              {
                "key": "project_is_still_maintained",
                "name": "Project is still maintained",
                "detail": "maintenance record not established from the collected data",
                "points": 100,
                "status": "met",
                "details": [
                  {
                    "code": "abandonment_unverified",
                    "params": {}
                  }
                ],
                "max_points": 100
              }
            ]
          }
        ],
        "description": "Is the project alive — is code being written and are releases shipping?"
      },
      {
        "key": "community",
        "band": "at_risk",
        "name": "Community & Adoption",
        "value": 33,
        "weight": 0.18,
        "metrics": [
          {
            "key": "popularity",
            "band": "critical",
            "name": "Popularity & adoption",
            "note": null,
            "notes": [],
            "value": 1,
            "inputs": {
              "forks": 0,
              "stars": 0,
              "watchers": 0,
              "growth_state": "unverified",
              "growth_factor_pct": 100,
              "growth_unverified_reason": "no_history"
            },
            "components": [
              {
                "key": "stars",
                "name": "Stars",
                "detail": "0 stars",
                "points": 0,
                "status": "missed",
                "details": [
                  {
                    "code": "stars",
                    "params": {
                      "count": 0
                    }
                  }
                ],
                "max_points": 60
              },
              {
                "key": "forks",
                "name": "Forks",
                "detail": "0 forks",
                "points": 0,
                "status": "missed",
                "details": [
                  {
                    "code": "forks",
                    "params": {
                      "count": 0
                    }
                  }
                ],
                "max_points": 25
              },
              {
                "key": "watchers",
                "name": "Watchers",
                "detail": "0 watchers",
                "points": 0,
                "status": "missed",
                "details": [
                  {
                    "code": "watchers",
                    "params": {
                      "count": 0
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                  }
                ],
                "max_points": 15
              }
            ]
          },
          {
            "key": "community_health",
            "band": "good",
            "name": "Community health",
            "note": null,
            "notes": [],
            "value": 70,
            "inputs": {
              "has_readme": true,
              "has_license": true,
              "has_contributing": true,
              "has_issue_template": false,
              "has_code_of_conduct": false,
              "has_pull_request_template": false
            },
            "components": [
              {
                "key": "readme",
                "name": "README",
                "detail": null,
                "points": 22.5,
                "status": "met",
                "details": [],
                "max_points": 22.5
              },
              {
                "key": "license",
                "name": "License",
                "detail": "recognized license (Apache-2.0)",
                "points": 22.5,
                "status": "met",
                "details": [
                  {
                    "code": "license_standard",
                    "params": {}
                  },
                  {
                    "code": "license_spdx",
                    "params": {
                      "spdx": "Apache-2.0"
                    }
                  }
                ],
                "max_points": 22.5
              },
              {
                "key": "contributing_guide",
                "name": "CONTRIBUTING guide",
                "detail": null,
                "points": 18,
                "status": "met",
                "details": [],
                "max_points": 18
              },
              {
                "key": "code_of_conduct",
                "name": "Code of conduct",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 13.5
              },
              {
                "key": "issue_template",
                "name": "Issue template",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 7.2
              },
              {
                "key": "pr_template",
                "name": "PR template",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 6.3
              }
            ]
          }
        ],
        "description": "Does the project have users, downloads, attention, and a welcoming setup for contributors?"
      },
      {
        "key": "governance",
        "band": "moderate",
        "name": "Sustainability & Governance",
        "value": 52,
        "weight": 0.24,
        "metrics": [
          {
            "key": "maintainer_resilience",
            "band": "critical",
            "name": "Maintainer resilience (bus factor)",
            "note": null,
            "notes": [],
            "value": 10,
            "inputs": {
              "bus_factor": 1,
              "contributors_sampled": 1,
              "top_contributor_share": 1
            },
            "components": [
              {
                "key": "bus_factor",
                "name": "Bus factor",
                "detail": "1 contributor(s) cover half of all commits",
                "points": 9,
                "status": "partial",
                "details": [
                  {
                    "code": "bus_factor",
                    "params": {
                      "count": 1
                    }
                  }
                ],
                "max_points": 54
              },
              {
                "key": "commit_distribution",
                "name": "Commit distribution",
                "detail": "top contributor authored 100% of commits",
                "points": 0,
                "status": "missed",
                "details": [
                  {
                    "code": "top_contributor_share",
                    "params": {
                      "share": 100
                    }
                  }
                ],
                "max_points": 22.5
              },
              {
                "key": "contributor_breadth",
                "name": "Contributor breadth",
                "detail": "1 contributors",
                "points": 1.4,
                "status": "partial",
                "details": [
                  {
                    "code": "contributors_sampled",
                    "params": {
                      "count": 1
                    }
                  }
                ],
                "max_points": 13.5
              },
              {
                "key": "openssf_scorecard_contributors",
                "name": "OpenSSF Scorecard: Contributors",
                "detail": "project has 0 contributing companies or organizations -- score normalized to 0",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 10
              }
            ]
          },
          {
            "key": "responsiveness",
            "band": "good",
            "name": "Issue & PR responsiveness",
            "note": "Excluded from scoring (no data or not applicable): Issue resolution. Remaining weights renormalized.",
            "notes": [
              {
                "code": "excluded_no_data",
                "params": {
                  "components": [
                    "issue_resolution"
                  ]
                }
              },
              {
                "code": "weights_renormalized",
                "params": {}
              }
            ],
            "value": 72,
            "inputs": {
              "merged_prs": 6,
              "open_issues": 0,
              "closed_issues": 0,
              "issue_closed_ratio": null,
              "closed_unmerged_prs": 0
            },
            "components": [
              {
                "key": "issue_resolution",
                "name": "Issue resolution",
                "detail": "no issues or no data",
                "points": 0,
                "status": "excluded",
                "details": [
                  {
                    "code": "no_issues_or_data",
                    "params": {}
                  }
                ],
                "max_points": 46.75
              },
              {
                "key": "pr_acceptance",
                "name": "PR acceptance",
                "detail": "6/6 decided PRs merged",
                "points": 38.2,
                "status": "met",
                "details": [
                  {
                    "code": "decided_prs_merged",
                    "params": {
                      "merged": 6,
                      "decided": 6
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                  }
                ],
                "max_points": 38.25
              },
              {
                "key": "openssf_scorecard_code_review",
                "name": "OpenSSF Scorecard: Code-Review",
                "detail": "Found 0/12 approved changesets -- score normalized to 0",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 15
              }
            ]
          },
          {
            "key": "stewardship",
            "band": "at_risk",
            "name": "Ownership & stewardship",
            "note": "Excluded from scoring (no data or not applicable): Verified domain. Remaining weights renormalized.",
            "notes": [
              {
                "code": "excluded_no_data",
                "params": {
                  "components": [
                    "verified_domain"
                  ]
                }
              },
              {
                "code": "weights_renormalized",
                "params": {}
              }
            ],
            "value": 44,
            "inputs": {
              "followers": 5,
              "owner_type": "User",
              "is_verified": null,
              "owner_login": "fgn",
              "public_repos": 9,
              "account_age_days": 4326
            },
            "components": [
              {
                "key": "ownership_backing",
                "name": "Ownership backing",
                "detail": "personal (user) account",
                "points": 10,
                "status": "partial",
                "details": [
                  {
                    "code": "owner_personal",
                    "params": {}
                  }
                ],
                "max_points": 30
              },
              {
                "key": "verified_domain",
                "name": "Verified domain",
                "detail": "not applicable to user accounts",
                "points": 0,
                "status": "excluded",
                "details": [
                  {
                    "code": "not_applicable_to_user_accounts",
                    "params": {}
                  }
                ],
                "max_points": 20
              },
              {
                "key": "owner_reach",
                "name": "Owner reach",
                "detail": "5 followers of fgn",
                "points": 5.6,
                "status": "partial",
                "details": [
                  {
                    "code": "owner_followers",
                    "params": {
                      "count": 5,
                      "login": "fgn"
                    }
                  }
                ],
                "max_points": 25
              },
              {
                "key": "track_record",
                "name": "Track record",
                "detail": "9 public repos, account ~11 yr old",
                "points": 19.3,
                "status": "partial",
                "details": [
                  {
                    "code": "public_repos",
                    "params": {
                      "count": 9
                    }
                  },
                  {
                    "code": "account_age_years",
                    "params": {
                      "years": 11
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                  }
                ],
                "max_points": 25
              }
            ]
          },
          {
            "key": "package_maintenance",
            "band": "excellent",
            "name": "Package maintenance",
            "note": null,
            "notes": [],
            "value": 100,
            "inputs": {
              "packages": [
                "github.com/fgn/go-langfuse"
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              "ecosystems": "go",
              "any_deprecated": false,
              "min_days_since_publish": 0
            },
            "components": [
              {
                "key": "published_resolvable",
                "name": "Published & resolvable",
                "detail": "1 package(s) on go",
                "points": 25,
                "status": "met",
                "details": [
                  {
                    "code": "packages_published",
                    "params": {
                      "count": 1,
                      "ecosystems": "go"
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                  }
                ],
                "max_points": 25
              },
              {
                "key": "publish_recency",
                "name": "Publish recency",
                "detail": "latest publish 0 days ago",
                "points": 35,
                "status": "met",
                "details": [
                  {
                    "code": "publish_recency",
                    "params": {
                      "days": 0
                    }
                  }
                ],
                "max_points": 35
              },
              {
                "key": "version_history",
                "name": "Version history",
                "detail": "5 published versions",
                "points": 20,
                "status": "met",
                "details": [
                  {
                    "code": "published_versions",
                    "params": {
                      "count": 5
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                  }
                ],
                "max_points": 20
              },
              {
                "key": "not_deprecated",
                "name": "Not deprecated",
                "detail": "active, not deprecated or yanked",
                "points": 20,
                "status": "met",
                "details": [
                  {
                    "code": "package_not_deprecated",
                    "params": {}
                  }
                ],
                "max_points": 20
              }
            ]
          }
        ],
        "description": "Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep?"
      },
      {
        "key": "engineering",
        "band": "good",
        "name": "Engineering Quality",
        "value": 80,
        "weight": 0.2,
        "metrics": [
          {
            "key": "engineering_practices",
            "band": "good",
            "name": "Engineering practices",
            "note": null,
            "notes": [],
            "value": 84,
            "inputs": {
              "has_ci": true,
              "has_tests": true,
              "has_editorconfig": false,
              "has_linter_config": true,
              "has_precommit_config": false
            },
            "components": [
              {
                "key": "ci_workflows",
                "name": "CI workflows",
                "detail": "2 workflow(s)",
                "points": 24,
                "status": "met",
                "details": [
                  {
                    "code": "ci_workflows",
                    "params": {
                      "count": 2
                    }
                  }
                ],
                "max_points": 24
              },
              {
                "key": "tests_present",
                "name": "Tests present",
                "detail": null,
                "points": 24,
                "status": "met",
                "details": [],
                "max_points": 24
              },
              {
                "key": "linter_config",
                "name": "Linter config",
                "detail": ".golangci.yml",
                "points": 16,
                "status": "met",
                "details": [
                  {
                    "code": "file_list",
                    "params": {
                      "files": ".golangci.yml"
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                  }
                ],
                "max_points": 16
              },
              {
                "key": "pre_commit_hooks",
                "name": "Pre-commit hooks",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 9.6
              },
              {
                "key": "editorconfig",
                "name": ".editorconfig",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 6.4
              },
              {
                "key": "openssf_scorecard_ci_tests",
                "name": "OpenSSF Scorecard: CI-Tests",
                "detail": "6 out of 6 merged PRs checked by a CI test -- score normalized to 10",
                "points": 20,
                "status": "met",
                "details": [],
                "max_points": 20
              }
            ]
          },
          {
            "key": "documentation",
            "band": "good",
            "name": "Documentation",
            "note": null,
            "notes": [],
            "value": 75,
            "inputs": {
              "topics": [
                "go",
                "langfuse",
                "llm-observability",
                "opentelemetry",
                "tracing"
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              "has_wiki": false,
              "homepage": null,
              "has_readme": true,
              "has_docs_dir": true,
              "has_description": true
            },
            "components": [
              {
                "key": "readme",
                "name": "README",
                "detail": null,
                "points": 30,
                "status": "met",
                "details": [],
                "max_points": 30
              },
              {
                "key": "documentation_directory",
                "name": "Documentation directory",
                "detail": null,
                "points": 25,
                "status": "met",
                "details": [],
                "max_points": 25
              },
              {
                "key": "documentation_homepage_site",
                "name": "Documentation / homepage site",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 15
              },
              {
                "key": "repository_description",
                "name": "Repository description",
                "detail": null,
                "points": 10,
                "status": "met",
                "details": [],
                "max_points": 10
              },
              {
                "key": "topics",
                "name": "Topics",
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                "points": 10,
                "status": "met",
                "details": [
                  {
                    "code": "topics_count",
                    "params": {
                      "count": 5
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                  }
                ],
                "max_points": 10
              },
              {
                "key": "wiki",
                "name": "Wiki",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 10
              }
            ]
          }
        ],
        "description": "Are baseline engineering and documentation practices in place?"
      },
      {
        "key": "security",
        "band": "moderate",
        "name": "Security",
        "value": 51,
        "weight": 0.16,
        "metrics": [
          {
            "key": "security_posture",
            "band": "moderate",
            "name": "Security posture",
            "note": "Excluded from scoring (no data or not applicable): Packaging, Signed-Releases. Remaining weights renormalized.",
            "notes": [
              {
                "code": "excluded_no_data",
                "params": {
                  "components": [
                    "packaging",
                    "signed_releases"
                  ]
                }
              },
              {
                "code": "weights_renormalized",
                "params": {}
              }
            ],
            "value": 51,
            "inputs": {
              "source": "openssf_scorecard",
              "checks_evaluated": 16,
              "scorecard_version": "v5.5.0",
              "checks_inconclusive": 2,
              "scorecard_aggregate": 5.1
            },
            "components": [
              {
                "key": "binary_artifacts",
                "name": "Binary-Artifacts",
                "detail": "no binaries found in the repo",
                "points": 7.5,
                "status": "met",
                "details": [],
                "max_points": 7.5
              },
              {
                "key": "branch_protection",
                "name": "Branch-Protection",
                "detail": "branch protection not enabled on development/release branches",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 7.5
              },
              {
                "key": "ci_tests",
                "name": "CI-Tests",
                "detail": "6 out of 6 merged PRs checked by a CI test -- score normalized to 10",
                "points": 2.5,
                "status": "met",
                "details": [],
                "max_points": 2.5
              },
              {
                "key": "cii_best_practices",
                "name": "CII-Best-Practices",
                "detail": "no effort to earn an OpenSSF best practices badge detected",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 2.5
              },
              {
                "key": "code_review",
                "name": "Code-Review",
                "detail": "Found 0/12 approved changesets -- score normalized to 0",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 7.5
              },
              {
                "key": "contributors",
                "name": "Contributors",
                "detail": "project has 0 contributing companies or organizations -- score normalized to 0",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 2.5
              },
              {
                "key": "dangerous_workflow",
                "name": "Dangerous-Workflow",
                "detail": "no dangerous workflow patterns detected",
                "points": 10,
                "status": "met",
                "details": [],
                "max_points": 10
              },
              {
                "key": "dependency_update_tool",
                "name": "Dependency-Update-Tool",
                "detail": "update tool detected",
                "points": 7.5,
                "status": "met",
                "details": [],
                "max_points": 7.5
              },
              {
                "key": "fuzzing",
                "name": "Fuzzing",
                "detail": "project is fuzzed",
                "points": 5,
                "status": "met",
                "details": [],
                "max_points": 5
              },
              {
                "key": "license",
                "name": "License",
                "detail": "license file detected",
                "points": 2.5,
                "status": "met",
                "details": [],
                "max_points": 2.5
              },
              {
                "key": "maintained",
                "name": "Maintained",
                "detail": "project was created within the last 90 days. Please review its contents carefully",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 7.5
              },
              {
                "key": "packaging",
                "name": "Packaging",
                "detail": "packaging workflow not detected",
                "points": 0,
                "status": "excluded",
                "details": [
                  {
                    "code": "no_data",
                    "params": {}
                  }
                ],
                "max_points": 5
              },
              {
                "key": "pinned_dependencies",
                "name": "Pinned-Dependencies",
                "detail": "all dependencies are pinned",
                "points": 5,
                "status": "met",
                "details": [],
                "max_points": 5
              },
              {
                "key": "sast",
                "name": "SAST",
                "detail": "SAST tool is not run on all commits -- score normalized to 0",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 5
              },
              {
                "key": "security_policy",
                "name": "Security-Policy",
                "detail": "security policy file detected",
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                "status": "partial",
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