tphakala / go-m4a

来自 GitHub 依赖图的完整解析依赖集合：3 个直接依赖与 2 个间接（传递）软件包。仓库提交锁文件时，传递闭包才是完整的。

该仓库未发布可被索引解析的包，因此评估的是其自身的依赖图——共 5 个包，其中也包含从不交付的开发与测试版本固定：0 个存在已知公告，0 个为直接依赖。

没有已知公告影响已评估的依赖。

公告表示依赖图中记录的版本落入某条公告的受影响范围。可达性未经分析，且依赖图包含开发与测试的版本固定——某项发现可能只涉及工具链而非交付的软件。

{
  "data": {
    "repo": {
      "topics": [
        "aac",
        "audio",
        "container",
        "demuxer",
        "go",
        "golang",
        "iso-bmff",
        "m4a",
        "mp4",
        "muxer",
        "aac-lc",
        "flac",
        "opus"
      ],
      "is_fork": false,
      "size_kb": 326,
      "has_wiki": true,
      "homepage": null,
      "languages": {
        "Go": 473597
      },
      "pushed_at": "2026-07-21T14:12:26Z",
      "created_at": "2026-07-18T20:40:29Z",
      "owner_type": "User",
      "updated_at": "2026-07-23T14:05:48Z",
      "description": "Pure-Go MP4/M4A muxer and demuxer for AAC-LC, Opus, and FLAC audio, the container companion to go-aac / go-opus / go-flac. No cgo, no external binaries.",
      "is_archived": false,
      "is_disabled": false,
      "license_spdx": "MIT",
      "default_branch": "main",
      "license_spdx_raw": "MIT",
      "primary_language": "Go",
      "significant_languages": [
        "Go"
      ]
    },
    "owner": {
      "blog": null,
      "name": "Tomi P. Hakala",
      "type": "User",
      "login": "tphakala",
      "company": null,
      "location": "Muurame, Finland",
      "followers": 78,
      "avatar_url": "https://avatars.githubusercontent.com/u/7030001?v=4",
      "created_at": "2014-03-22T09:31:18Z",
      "is_verified": null,
      "public_repos": 64,
      "account_age_days": 4507
    },
    "license": {
      "state": "standard",
      "spdx_id": "MIT",
      "raw_spdx": "MIT",
      "file_present": true,
      "scorecard_found": true,
      "profile_has_license": true
    },
    "activity": {
      "releases": [
        {
          "tag": "v0.3.0",
          "kind": "minor",
          "published_at": "2026-07-21T14:12:31Z"
        },
        {
          "tag": "v0.2.0",
          "kind": "minor",
          "published_at": "2026-07-19T13:28:23Z"
        }
      ],
      "recent_commits": [
        {
          "oid": "939b3bb49d06cc6ab7c98cf744f11065eef805cf",
          "body": "All three codec dependencies were pinned to untagged pseudo-versions, and\nthe go-aac pin predated its v0.2.1 tag, so a consumer of go-m4a pulled\ncommits that were never released. Move to the current tags: go-aac v0.3.0,\ngo-flac v0.4.3, go-opus v0.1.2 (and simd v1.5.0 transitively).\n\nNone of the thre\n[…]\n86 and golangci-lint. The\nestimate tests exercise the real encoder, so they would have caught a\nchanged default: TestEstimateADTSSizeIsClose asserts the reservation\nagainst what go-aac actually emits.",
          "is_bot": false,
          "headline": "deps: move to tagged codec releases, use aac.DefaultBitrate (#26)",
          "author_name": "Tomi P. Hakala",
          "author_login": "tphakala",
          "committed_at": "2026-07-21T13:48:10Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "11533678850575feb94f778e23ad759d4d1fc66e",
          "body": "* docs: state the sample-rate contract per codec, and test it (closes #12)\n\nFour places disagreed about which sample rates the writer accepts. The\nREADME said 44.1/48 kHz, the comment on maxAudioSampleEntryRate said\n\"44100 and 48000 (and 64000)\", and the code said something different again\nfor each \n[…]\ny to skim past. Say plainly\nwhose requirement it is and that nothing here validates the match, which is\nthe same failure the rest of this PR is fixing: prose implying enforcement\nthe code does not do.",
          "is_bot": false,
          "headline": "State the sample-rate contract per codec, and test it (#25)",
          "author_name": "Tomi P. Hakala",
          "author_login": "tphakala",
          "committed_at": "2026-07-21T12:45:13Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "42b3c3c1e7519ab27a92f90ba98cc394a7e308da",
          "body": "The reservation functions are pure functions over untrusted integers whose\nresult goes straight into a make: every argument but the caller's limit\ncomes from a file's own self-description or from a sample table an\nattacker shapes. A table test can only cover the rows someone thought of,\nand the over\n[…]\nn CI. Nothing found so far.\n\nThis is target 1 of #22. Targets 3 and 4, the bridge decode targets and\nthe direct box parsers, are their own pass; 3 was blocked on the decode\nbound and is now unblocked.",
          "is_bot": false,
          "headline": "flacm4a, opusm4a: fuzz the reservation arithmetic (#22 target 1) (#24)",
          "author_name": "Tomi P. Hakala",
          "author_login": "tphakala",
          "committed_at": "2026-07-21T12:21:25Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "acf47a53a474b9a0df083c4b1421264095769498",
          "body": "…dec bridges (#23)\n\n* feat: bound the decode and add streaming decoders (closes #18, #15)\n\nflacm4a.DecodeInterleaved and opusm4a.DecodeInterleaved looped until EOF\nappending every decoded frame into one buffer with nothing bounding the\ntotal. The container's parsing is bounded by the real file lengt\n[…]\nher finding, a bounds-check-free rewrite of the opus packing loop, is\ndeclined: 2.4x on the loop in isolation but no measurable end-to-end\nchange, which does not justify index arithmetic in this loop.",
          "is_bot": false,
          "headline": "Bound the decode: streaming decoders and a default ceiling for the co…",
          "author_name": "Tomi P. Hakala",
          "author_login": "tphakala",
          "committed_at": "2026-07-21T12:15:49Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "1c5a8c9699e0aa8211cfbf375e833ab1438b3073",
          "body": "DecodeInterleaved grew its output from nil one frame at a time, so\nreaching a 2.9 MB buffer copied roughly four times that in\nintermediates. STREAMINFO already carries the inter-channel sample\ncount and go-flac exposes it through FrameDecoder.StreamInfo, so one\nreservation replaces the chain.\n\nMeasu\n[…]\npe aacm4a already uses. A fresh memWS per iteration\nput the sink's own O(N^2) growth inside the measured region, where it\nwas over 90% of the reported bytes and buried the bridge entirely.\n\nCloses #10",
          "is_bot": false,
          "headline": "perf: pre-size the flacm4a decoded PCM buffer and frame slice (#17)",
          "author_name": "Tomi P. Hakala",
          "author_login": "tphakala",
          "committed_at": "2026-07-20T19:48:41Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "162f722422f321a797d37dc7f85a0d97a37e09f9",
          "body": "…DTS buffer (#14)\n\n* feat: fragmented MP4 (CMAF) segment writer for HLS (closes #9)\n\nThe existing Writer emits ftyp | mdat | moov and needs an io.WriteSeeker,\nbecause the mdat size is patched at Close. A live HLS stream cannot seek, so it\ncould not be served at all. This adds the append-only counter\n[…]\nPR. The gate's own documentation-contradicting-code\ncheck should have found it: the fix wave changed AppendFtyp's body to delegate to\na shared helper without re-reading the function's own doc comment.",
          "is_bot": false,
          "headline": "feat: fragmented MP4 (CMAF) segment writer, and pre-size the aacm4a A…",
          "author_name": "Tomi P. Hakala",
          "author_login": "tphakala",
          "committed_at": "2026-07-20T15:06:01Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "24046cdfb97bd5e7d8954033da4895b92d72bff6",
          "body": "The package now muxes/demuxes AAC-LC, Opus, and FLAC via a codec-generic core\nplus the aacm4a/opusm4a/flacm4a bridges (#1). Update the intro, status, scope,\ninstall, usage, and gapless sections accordingly, and add opusm4a/flacm4a\none-call examples.",
          "is_bot": false,
          "headline": "docs: README covers Opus and FLAC, not just AAC-LC",
          "author_name": "Tomi P. Hakala",
          "author_login": "tphakala",
          "committed_at": "2026-07-19T13:19:29Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "e89c89044ae68298f5183a5b66a3f95e46779ebb",
          "body": "* feat: demux Opus and FLAC MP4 (reader codec dispatch)\n\nGeneralize the reader from mp4a-only to dispatch on the sample-entry\nfourCC: mp4a (esds/AAC-LC), Opus (dOps), and fLaC (dfLa). Info gains a\nCodec discriminator and a generic CodecConfig (the ASC for AAC, the dOps\nbody for Opus, the STREAMINFO \n[…]\nms the\nDefaultEncoderDelay (1024), but NewWriter now resolves a per-codec default\n(1024 AAC-LC, the Opus pre-skip default 312, 0 for FLAC) that buildMoov\nsubstitutes when EncoderDelay is left at zero.",
          "is_bot": false,
          "headline": "feat: Opus and FLAC in MP4 via a codec-generic core (closes #1) (#2)",
          "author_name": "Tomi P. Hakala",
          "author_login": "tphakala",
          "committed_at": "2026-07-19T12:17:37Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "14194ff0fb8158e960f779ed95079f8ef1197edd",
          "body": "Two measured hot-path improvements from a go-perf review (which confirmed the\nstreaming paths were already lean: RawStream is 0 allocs/op at ~19.5 GB/s, no\nO(n^2), WriteFrame effectively 0 allocs/frame).\n\n- buildMoov now pre-sizes the stbl buffer from the known len(sizes), so the stsz\n  entry list n\n[…]\ndvancing, so the caller can grow and retry.\n\nAdds hot-path benchmarks (bench_test.go in each package) as a perf regression\nguard. All tests pass under -race; byte-exact and round-trip tests unchanged.",
          "is_bot": false,
          "headline": "perf: pre-size stbl in buildMoov, add zero-alloc ReadFrameInto",
          "author_name": "Tomi P. Hakala",
          "author_login": "tphakala",
          "committed_at": "2026-07-18T21:13:56Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "5e2eab484145147afa81abb072879cbda69f3326",
          "body": "go-aac exposed the encoder priming delay programmatically (its issue #27, PR\n#36). The bridge now sets WriterConfig.EncoderDelay from aac.EncoderDelay\ninstead of relying on go-m4a's DefaultEncoderDelay literal, so the priming trim\ntracks the codec automatically if go-aac's framing ever changes. go.mod bumped\nto the go-aac version that carries the accessor.",
          "is_bot": false,
          "headline": "aacm4a: take the edit-list priming from go-aac's aac.EncoderDelay",
          "author_name": "Tomi P. Hakala",
          "author_login": "tphakala",
          "committed_at": "2026-07-18T20:53:09Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "8b4076fa1506cbcc3185104c95638bc5a722c897",
          "body": "Regression tests that lock in the two gate-found crash bugs (verified to fail\non the pre-fix code): expandStsc out-of-bounds panic on adversarial stsc, and\nWalkChildren int64 largesize truncation. Plus the coverage gaps the gate's test\nreview flagged: malformed-moov negatives (missing/inconsistent t\n[…]\n GiB guard so errors.Is classifies it, and the Close doc comment describes\nthe retry and latched-error behavior accurately.\n\nAll green: gofmt, vet, build, go test -race, golangci-lint, and FuzzReader.",
          "is_bot": false,
          "headline": "Test hardening: regression tests for the gate crash fixes, coverage gaps",
          "author_name": "Tomi P. Hakala",
          "author_login": "tphakala",
          "committed_at": "2026-07-18T20:39:25Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "9879a9ac7012cfd89fa6d13e8354fd65ddc5a899",
          "body": "The container does size and offset arithmetic on untrusted input that must\nstay correct on 32-bit targets (BirdNET-Go ships on 32-bit ARM). Add GOARCH\n386 to the vet matrix and a dedicated 386 test job so a 32-bit truncation\nregression fails CI.",
          "is_bot": false,
          "headline": "CI: add 32-bit (386) vet and test jobs",
          "author_name": "Tomi P. Hakala",
          "author_login": "tphakala",
          "committed_at": "2026-07-18T20:16:25Z",
          "body_truncated": false,
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        },
        {
          "oid": "de6e4508a6a23f483f868400ebb02e0f37196ba9",
          "body": "Correctness fixes surfaced by the pre-push gate review:\n\n- CRITICAL: expandStsc wrote perChunk out of bounds on an adversarial stsc\n  (a second entry with first_chunk 0 underflowed to 0xFFFFFFFF, or first_chunk\n  past numChunks, both bypassing the sample-count guard; runChunks*SamplesPerChunk\n  coul\n[…]\neStts overflow comment corrected; AppendCo64 documented as parser-symmetric.\n\nVerified: build/vet/lint clean, tests pass under -race on amd64 and under 386\n(32-bit), FuzzReader 6.8M execs no crashers.",
          "is_bot": false,
          "headline": "Fix gate findings: two crash bugs, mp4a rate overflow, 32-bit safety",
          "author_name": "Tomi P. Hakala",
          "author_login": "tphakala",
          "committed_at": "2026-07-18T20:14:06Z",
          "body_truncated": true,
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          "oid": "5e22644484535a96da68cbf4a8fcaa7976a418bb",
          "body": "FuzzReader fuzzes the demuxer over the interop fixtures and a writer-produced\nseed; ~6M execs per 15s find no panic and no error outside the\nErrCorrupt/ErrUnsupported/io.EOF contract. New tests cover the co64 (64-bit\nchunk offset) and constant-size stsz reader paths, which the writer never\nemits. CI runs test -race on Linux/macOS/Windows, vet and build across\namd64/arm64, golangci-lint, and a FuzzReader smoke run.",
          "is_bot": false,
          "headline": "Harden reader: FuzzReader target, co64 and constant-stsz coverage, CI",
          "author_name": "Tomi P. Hakala",
          "author_login": "tphakala",
          "committed_at": "2026-07-18T19:49:15Z",
          "body_truncated": false,
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        {
          "oid": "5c5a21b2c2772a99f869d3323bf961acd1df2fff",
          "body": "Go's generated fuzz corpus lives in GOCACHE, not the repo. Seeds and\ndiscovered crashers under testdata/fuzz/ are committed regression data.",
          "is_bot": false,
          "headline": "gitignore: keep committed fuzz seed corpus and crashers",
          "author_name": "Tomi P. Hakala",
          "author_login": "tphakala",
          "committed_at": "2026-07-18T19:41:33Z",
          "body_truncated": false,
          "is_coding_agent": false
        },
        {
          "oid": "49c3625e08e74bf0362f723120db8714bd50b491",
          "body": "aacm4a.EncodeInterleaved encodes interleaved integer PCM to a gapless AAC-LC\n.m4a by reusing go-aac's pcm encoder (all bit depths), de-ADTS framing the\noutput into the m4a.Writer with a sample-accurate edit list.\naacm4a.NewDecoder opens an .m4a and returns a go-aac decoder over the reader's\nlength-p\n[…]\nrrelation peaking at lag 0, corr > 0.99 (mono and stereo);\ninterop decode of ffmpeg and afconvert files matches expected frame counts;\nour output validates under ffprobe. README documents both layers.",
          "is_bot": false,
          "headline": "Add aacm4a go-aac bridge, README",
          "author_name": "Tomi P. Hakala",
          "author_login": "tphakala",
          "committed_at": "2026-07-18T19:39:47Z",
          "body_truncated": true,
          "is_coding_agent": false
        },
        {
          "oid": "1aae9961e322d52ccd2ad36b2d4ac45e3f81c37a",
          "body": "General ISO-BMFF demuxer: locates moov before or after mdat, selects the\nfirst mp4a soun track, extracts the ASC from esds (expandable descriptor\nsizes, tolerating ffmpeg's 5-byte ASC and afconvert's post-esds siblings),\nand expands arbitrary multi-chunk stsc with an O(N) running cursor. ReadFrame\ny\n[…]\nrt files\n(mono/stereo, 44.1/48k, single and multi chunk, moov before/after) yields\nbyte-identical decodes to the reference AAC extraction. Reader fixtures under\ntestdata/interop. -race and lint clean.",
          "is_bot": false,
          "headline": "Add m4a.Reader: demux MP4/M4A to AAC-LC access units",
          "author_name": "Tomi P. Hakala",
          "author_login": "tphakala",
          "committed_at": "2026-07-18T19:24:25Z",
          "body_truncated": true,
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          "oid": "22eb0c2ccdf54c5c776216e5f5f1115d2f1313be",
          "body": "Streams ftyp | mdat | moov to an io.WriteSeeker, patching the 64-bit\nlargesize mdat header at Close and assembling moov via internal/box. Writes\nan edts/elst edit list that trims the encoder priming (DefaultEncoderDelay\n1024, go-aac's measured value) so output is sample-accurate and gapless.\nValidat\n[…]\nannels against the ASC. Verified end-to-end: a\ngo-aac-encoded chirp muxed through the writer decodes back via ffmpeg to the\nexact source, peak cross-correlation 1.00000 at lag 0. -race and lint clean.",
          "is_bot": false,
          "headline": "Add m4a.Writer: mux AAC-LC access units into MP4/M4A",
          "author_name": "Tomi P. Hakala",
          "author_login": "tphakala",
          "committed_at": "2026-07-18T19:00:51Z",
          "body_truncated": true,
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          "body": "Append-style marshalers for every box the writer emits (ftyp, mvhd, tkhd,\nelst, mdhd, hdlr, smhd, dref/url, stsd/mp4a/esds, stts, stsc, stsz,\nstco/co64) plus container assemblers, built to the byte-level contract:\n28-byte mp4a AudioSampleEntry, mandatory SLConfigDescriptor in esds,\nexpandable descriptor sizes, 64-bit largesize mdat header, and version-1\nbox selection for durations past 32 bits. Exact-byte tests, -race clean.",
          "is_bot": false,
          "headline": "Add internal/box: ISO-BMFF byte primitives and box marshalers",
          "author_name": "Tomi P. Hakala",
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          "committed_at": "2026-07-18T18:44:26Z",
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          "is_bot": false,
          "headline": "Scaffold go-m4a: Go module and MIT license",
          "author_name": "Tomi P. Hakala",
          "author_login": "tphakala",
          "committed_at": "2026-07-18T18:34:26Z",
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            "reason": "no dangerous workflow patterns detected",
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            "notes": [],
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            "inputs": {
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                  "components": [
                    "verified_domain"
                  ]
                }
              },
              {
                "code": "weights_renormalized",
                "params": {}
              }
            ],
            "value": 61,
            "inputs": {
              "followers": 78,
              "owner_type": "User",
              "is_verified": null,
              "owner_login": "tphakala",
              "public_repos": 64,
              "account_age_days": 4507
            },
            "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": "78 followers of tphakala",
                "points": 13.6,
                "status": "partial",
                "details": [
                  {
                    "code": "owner_followers",
                    "params": {
                      "count": 78,
                      "login": "tphakala"
                    }
                  }
                ],
                "max_points": 25
              },
              {
                "key": "track_record",
                "name": "Track record",
                "detail": "64 public repos, account ~12 yr old",
                "points": 25,
                "status": "met",
                "details": [
                  {
                    "code": "public_repos",
                    "params": {
                      "count": 64
                    }
                  },
                  {
                    "code": "account_age_years",
                    "params": {
                      "years": 12
                    }
                  }
                ],
                "max_points": 25
              }
            ]
          },
          {
            "key": "package_maintenance",
            "band": "excellent",
            "name": "Package maintenance",
            "note": null,
            "notes": [],
            "value": 92,
            "inputs": {
              "packages": [
                "github.com/tphakala/go-m4a"
              ],
              "ecosystems": "go",
              "any_deprecated": false,
              "min_days_since_publish": 3
            },
            "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"
                    }
                  }
                ],
                "max_points": 25
              },
              {
                "key": "publish_recency",
                "name": "Publish recency",
                "detail": "latest publish 3 days ago",
                "points": 35,
                "status": "met",
                "details": [
                  {
                    "code": "publish_recency",
                    "params": {
                      "days": 3
                    }
                  }
                ],
                "max_points": 35
              },
              {
                "key": "version_history",
                "name": "Version history",
                "detail": "4 published versions",
                "points": 12,
                "status": "partial",
                "details": [
                  {
                    "code": "published_versions",
                    "params": {
                      "count": 4
                    }
                  }
                ],
                "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": 74,
        "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": "1 workflow(s)",
                "points": 24,
                "status": "met",
                "details": [
                  {
                    "code": "ci_workflows",
                    "params": {
                      "count": 1
                    }
                  }
                ],
                "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.yaml",
                "points": 16,
                "status": "met",
                "details": [
                  {
                    "code": "file_list",
                    "params": {
                      "files": ".golangci.yaml"
                    }
                  }
                ],
                "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": "7 out of 7 merged PRs checked by a CI test -- score normalized to 10",
                "points": 20,
                "status": "met",
                "details": [],
                "max_points": 20
              }
            ]
          },
          {
            "key": "documentation",
            "band": "moderate",
            "name": "Documentation",
            "note": null,
            "notes": [],
            "value": 60,
            "inputs": {
              "topics": [
                "aac",
                "audio",
                "container",
                "demuxer",
                "go",
                "golang",
                "iso-bmff",
                "m4a",
                "mp4",
                "muxer",
                "aac-lc",
                "flac",
                "opus"
              ],
              "has_wiki": true,
              "homepage": null,
              "has_readme": true,
              "has_docs_dir": false,
              "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": 0,
                "status": "missed",
                "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",
                "detail": "13 topics",
                "points": 10,
                "status": "met",
                "details": [
                  {
                    "code": "topics_count",
                    "params": {
                      "count": 13
                    }
                  }
                ],
                "max_points": 10
              },
              {
                "key": "wiki",
                "name": "Wiki",
                "detail": null,
                "points": 10,
                "status": "met",
                "details": [],
                "max_points": 10
              }
            ]
          }
        ],
        "description": "Are baseline engineering and documentation practices in place?"
      },
      {
        "key": "security",
        "band": "moderate",
        "name": "Security",
        "value": 57,
        "weight": 0.16,
        "metrics": [
          {
            "key": "security_posture",
            "band": "at_risk",
            "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": 46,
            "inputs": {
              "source": "openssf_scorecard",
              "checks_evaluated": 16,
              "scorecard_version": "v5.5.0",
              "checks_inconclusive": 2,
              "scorecard_aggregate": 4.6
            },
            "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": "7 out of 7 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 0/20 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": "no update tool detected",
                "points": 0,
                "status": "missed",
                "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": "dependency not pinned by hash detected -- score normalized to 0",
                "points": 0,
                "status": "missed",
                "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 not detected",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 5
              },
              {
                "key": "signed_releases",
                "name": "Signed-Releases",
                "detail": "no releases found",
                "points": 0,
                "status": "excluded",
                "details": [
                  {
                    "code": "no_data",
                    "params": {}
                  }
                ],
                "max_points": 7.5
              },
              {
                "key": "token_permissions",
                "name": "Token-Permissions",
                "detail": "GitHub workflow tokens follow principle of least privilege",
                "points": 7.5,
                "status": "met",
                "details": [],
                "max_points": 7.5
              },
              {
                "key": "vulnerabilities",
                "name": "Vulnerabilities",
                "detail": "0 existing vulnerabilities detected",
                "points": 7.5,
                "status": "met",
                "details": [],
                "max_points": 7.5
              }
            ]
          },
          {
            "key": "dependency_advisories",
            "band": "excellent",
            "name": "Dependency advisories",
            "note": "Excluded from scoring (no data or not applicable): Indirect dependencies free of known advisories, No advisories left outstanding. Remaining weights renormalized. Matched 5 resolved dependencies against OSV. This repository publishes no package the index resolves, so the repository dependency graph was assessed instead. That graph mixes development and test pins with shipped dependencies, so only the declared runtime dependencies are scored; transitive findings are reported as context and excluded from the score. Reachability is not analyzed.",
            "notes": [
              {
                "code": "excluded_no_data",
                "params": {
                  "components": [
                    "indirect_dependencies_free_of_known_advisories",
                    "no_advisories_left_outstanding"
                  ]
                }
              },
              {
                "code": "weights_renormalized",
                "params": {}
              },
              {
                "code": "advisories_scope_repository",
                "params": {
                  "assessed": 5
                }
              },
              {
                "code": "advisories_repo_graph_caveat",
                "params": {}
              },
              {
                "code": "advisories_reachability",
                "params": {}
              }
            ],
            "value": 100,
            "inputs": {
              "source": "osv",
              "advisories": 0,
              "affected_packages": 0,
              "assessed_packages": 5,
              "unassessed_packages": 0,
              "affected_by_severity": "none",
              "direct_affected_packages": 0
            },
            "components": [
              {
                "key": "direct_dependencies_free_of_known_advisories",
                "name": "Direct dependencies free of known advisories",
                "detail": "no direct dependency carries a known advisory",
                "points": 35,
                "status": "met",
                "details": [
                  {
                    "code": "no_direct_advisories",
                    "params": {}
                  }
                ],
                "max_points": 35
              },
              {
                "key": "indirect_dependencies_free_of_known_advisories",
                "name": "Indirect dependencies free of known advisories",
                "detail": "transitive set not separable from development and test dependencies in this scope",
                "points": 0,
                "status": "excluded",
                "details": [
                  {
                    "code": "advisories_scope_not_separable",
                    "params": {}
                  }
                ],
                "max_points": 25
              },
              {
                "key": "no_advisories_left_outstanding",
                "name": "No advisories left outstanding",
                "detail": "no advisory carries a publication date",
                "points": 0,
                "status": "excluded",
                "details": [
                  {
                    "code": "advisories_no_publication_date",
                    "params": {}
                  }
                ],
                "max_points": 40
              }
            ]
          },
          {
            "key": "malicious_dependencies",
            "band": "excellent",
            "name": "Malicious dependencies",
            "note": null,
            "notes": [],
            "value": 100,
            "inputs": {
              "source": "osv",
              "meaning": "reported as a malicious package by the OpenSSF corpus; the remedy is removal or moving off the compromised name, never an upgrade of the same artifact. Versions the registry has since pulled are listed but not scored",
              "packages": [],
              "red_flag": false,
              "assessed_packages": 5,
              "malicious_packages": 0,
              "direct_malicious_packages": 0,
              "withdrawn_malicious_packages": 0,
              "installable_malicious_packages": 0
            },
            "components": [
              {
                "key": "no_dependency_reported_as_a_malicious_package",
                "name": "No dependency reported as a malicious package",
                "detail": "no dependency is reported as a malicious package",
                "points": 100,
                "status": "met",
                "details": [
                  {
                    "code": "no_malicious_dependencies",
                    "params": {}
                  }
                ],
                "max_points": 100
              }
            ]
          },
          {
            "key": "high_risk_jurisdiction_exposure",
            "band": "excellent",
            "name": "High-Risk Jurisdiction Exposure",
            "note": "Only high-confidence self-published location evidence affects this multiplier. Ambiguous matches are review-only; country evidence is not proof of nationality, citizenship, legal registration, malicious intent, or sanctions status.",
            "notes": [
              {
                "code": "jurisdiction_evidence_limits",
                "params": {}
              }
            ],
            "value": 100,
            "inputs": {
              "meaning": "self-published location evidence; not nationality or citizenship",
              "red_flag": false,
              "exposures": [],
              "policy_countries": [
                "Russia",
                "Iran",
                "North Korea"
              ],
              "review_only_matches": 0,
              "assessed_self_published_locations": 2
            },
            "components": [
              {
                "key": "policy_exposure_multiplier",
                "name": "Policy exposure multiplier",
                "detail": "no confirmed policy-scope location match",
                "points": 100,
                "status": "met",
                "details": [
                  {
                    "code": "jurisdiction_no_match",
                    "params": {}
                  }
                ],
                "max_points": 100
              }
            ]
          }
        ],
        "description": "Are visible security and supply-chain practices strong, with no malicious dependency and no unresolved high-risk jurisdiction exposure?"
      },
      {
        "key": "ai_readiness",
        "band": "moderate",
        "name": "AI Readiness",
        "value": 63,
        "weight": 0,
        "metrics": [
          {
            "key": "ai_agent_context",
            "band": "at_risk",
            "name": "Agent context & guidance",
            "note": null,
            "notes": [],
            "value": 40,
            "inputs": {
              "has_llms_txt": false,
              "legible_history_share": 1,
              "agent_instruction_files": [],
              "agent_instruction_max_bytes": null
            },
            "components": [
              {
                "key": "agent_instructions",
                "name": "Agent instructions",
                "detail": "no CLAUDE.md / AGENTS.md / editor rules",
                "points": 0,
                "status": "missed",
                "details": [
                  {
                    "code": "no_agent_instructions",
                    "params": {}
                  }
                ],
                "max_points": 45
              },
              {
                "key": "machine_readable_docs_llms_txt",
                "name": "Machine-readable docs (llms.txt)",
                "detail": null,
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 15
              },
              {
                "key": "legible_commit_history",
                "name": "Legible commit history",
                "detail": "20 of 20 human commits state their intent (structured subject or explanatory body)",
                "points": 40,
                "status": "met",
                "details": [
                  {
                    "code": "legible_history",
                    "params": {
                      "legible": 20,
                      "sampled": 20
                    }
                  }
                ],
                "max_points": 40
              }
            ]
          },
          {
            "key": "ai_verify_loop",
            "band": "moderate",
            "name": "Verify loop (build / test / typecheck)",
            "note": null,
            "notes": [],
            "value": 67,
            "inputs": {
              "has_nix": false,
              "has_tests": true,
              "lockfiles": [
                "go.sum"
              ],
              "has_dockerfile": false,
              "typed_language": true,
              "bootstrap_files": [],
              "has_devcontainer": false,
              "has_linter_config": true,
              "typecheck_configs": [],
              "agent_commit_share": 0,
              "toolchain_manifests": [
                "go.mod"
              ],
              "dependency_bot_commit_share": 0
            },
            "components": [
              {
                "key": "one_command_bootstrap",
                "name": "One-command bootstrap",
                "detail": "go.mod (toolchain convention, no task runner)",
                "points": 12.6,
                "status": "partial",
                "details": [
                  {
                    "code": "toolchain_convention",
                    "params": {
                      "files": "go.mod"
                    }
                  }
                ],
                "max_points": 18
              },
              {
                "key": "automated_tests",
                "name": "Automated tests",
                "detail": null,
                "points": 22,
                "status": "met",
                "details": [],
                "max_points": 22
              },
              {
                "key": "lint_format_config",
                "name": "Lint / format config",
                "detail": ".golangci.yaml",
                "points": 11,
                "status": "met",
                "details": [
                  {
                    "code": "file_list",
                    "params": {
                      "files": ".golangci.yaml"
                    }
                  }
                ],
                "max_points": 11
              },
              {
                "key": "static_type_checking",
                "name": "Static type checking",
                "detail": "Go (statically typed)",
                "points": 11,
                "status": "met",
                "details": [
                  {
                    "code": "statically_typed_language",
                    "params": {
                      "language": "Go"
                    }
                  }
                ],
                "max_points": 11
              },
              {
                "key": "reproducible_environment",
                "name": "Reproducible environment",
                "detail": "lockfile",
                "points": 10,
                "status": "met",
                "details": [
                  {
                    "code": "file_list",
                    "params": {
                      "files": "lockfile"
                    }
                  }
                ],
                "max_points": 10
              },
              {
                "key": "demonstrated_agent_practice",
                "name": "Demonstrated agent practice",
                "detail": "no agent-authored commits among the last 20",
                "points": 0,
                "status": "missed",
                "details": [
                  {
                    "code": "no_agent_authored_commits",
                    "params": {
                      "sampled": 20
                    }
                  }
                ],
                "max_points": 10
              },
              {
                "key": "automated_maintenance",
                "name": "Automated maintenance",
                "detail": "no automated dependency updates observed",
                "points": 0,
                "status": "missed",
                "details": [
                  {
                    "code": "no_dependency_automation",
                    "params": {}
                  }
                ],
                "max_points": 8
              },
              {
                "key": "openssf_scorecard_pinned_dependencies",
                "name": "OpenSSF Scorecard: Pinned-Dependencies",
                "detail": "dependency not pinned by hash detected -- score normalized to 0",
                "points": 0,
                "status": "missed",
                "details": [],
                "max_points": 10
              }
            ]
          },
          {
            "key": "ai_code_legibility",
            "band": "excellent",
            "name": "Code legibility for models",
            "note": null,
            "notes": [],
            "value": 100,
            "inputs": {
              "primary_language": "Go",
              "largest_source_bytes": 33629,
              "source_files_sampled": 46,
              "oversized_source_files": 0
            },
            "components": [
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