{
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    "rust": 44614,
    "shell": 1760
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    "cli"
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    "cli": [
     {
      "path": "Cargo.toml",
      "detail": "cargo bin"
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     {
      "path": "src/main.rs",
      "detail": "cargo binary"
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     {
      "path": "src/cli.rs",
      "detail": "6 matches"
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    ]
   },
   "long_running": [],
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    "rationale": "--help documents every option (at least 90% of options have help text).",
    "evidence": [
     {
      "signal": "L1 non-interactive",
      "detail": "no interactive prompts",
      "path": null,
      "weight": 1
     },
     {
      "signal": "L2 help",
      "detail": "6 matches",
      "path": "src/cli.rs",
      "weight": 1
     }
    ],
    "metrics": {
     "route_declarations": 0,
     "routes_by_framework": {},
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     "spec_operations": 0,
     "spec_coverage": null
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    "gaps": [
     "L3 Machine-readable output (--json/--format) and documented exit statuses. (no --json/--format option)"
    ],
    "question": "Can another program use it through a documented, machine-readable surface?",
    "best_surface": "cli",
    "surfaces": {
     "cli": {
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      "first_missing": "machine-output",
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        "id": "non-interactive",
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        "note": ""
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       {
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        "id": "machine-output",
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        "evidence": [],
        "note": "no --json/--format option"
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       {
        "level": 4,
        "id": "output-schema",
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     }
    },
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   },
   {
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    "title": "Contract stability",
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      "signal": "L2 changelog",
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    "question": "Can integrators rely on it not changing under them?",
    "best_surface": "all",
    "surfaces": {
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      "first_missing": "deprecation",
      "requirements": [
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        "id": "versioned-releases",
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        ],
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        "level": 4,
        "id": "clean-history",
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    "level_name": "partial",
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    "question": "Can others react to state changes without polling?",
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    "surfaces": {},
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   {
    "key": "identity",
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    "level": null,
    "rationale": "Not applicable: uses no credentials and has no service surface.",
    "evidence": [],
    "metrics": {},
    "gaps": [],
    "question": "Can a machine act with its own revocable, least-privilege identity?",
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    "surfaces": {},
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   },
   {
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    "level": null,
    "rationale": "Not applicable: owns no persistent data.",
    "evidence": [],
    "metrics": {},
    "gaps": [],
    "question": "Can its data get in and out, in bulk, in open formats, with an explicit schema?",
    "best_surface": null,
    "surfaces": {},
    "level_name": "n/a",
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   {
    "key": "ergonomics",
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    "metrics": {},
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     "L3 Documented exit statuses distinguish error classes, errors are JSON in JSON mode, and color is off when not a TTY. (errors aren't JSON in JSON mode)"
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    "question": "Can an automated caller use it without guessing, and recover from failure?",
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     "cli": {
      "level": 2,
      "first_missing": "typed-failures",
      "requirements": [
       {
        "level": 1,
        "id": "never-blocks",
        "text": "Never blocks on a prompt when stdin is not a TTY.",
        "met": true,
        "evidence": [
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          "path": null,
          "detail": "no interactive prompts"
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        "note": ""
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        "level": 2,
        "id": "streams-and-status",
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        "met": true,
        "evidence": [
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          "path": "src/error.rs",
          "detail": "1 match"
         },
         {
          "path": "src/main.rs",
          "detail": "1 match"
         },
         {
          "path": "src/exit_codes.rs",
          "detail": "33 matches"
         },
         {
          "path": "src/walk.rs",
          "detail": "18 matches"
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         {
          "path": "src/exec/command.rs",
          "detail": "7 matches"
         },
         {
          "path": "src/exec/mod.rs",
          "detail": "7 matches"
         },
         {
          "path": "src/main.rs",
          "detail": "5 matches"
         },
         {
          "path": "src/exec/job.rs",
          "detail": "4 matches"
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        ],
        "note": ""
       },
       {
        "level": 3,
        "id": "typed-failures",
        "text": "Documented exit statuses distinguish error classes, errors are JSON in JSON mode, and color is off when not a TTY.",
        "met": false,
        "evidence": [],
        "note": "errors aren't JSON in JSON mode"
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       {
        "level": 4,
        "id": "agent-ready",
        "text": "--dry-run, limits for long or costly operations (timeouts, budgets), and agent docs.",
        "met": false,
        "evidence": [],
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      ]
     }
    },
    "level_name": "partial",
    "applicable": true
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   {
    "key": "embeddability",
    "title": "Embeddability",
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    "rationale": "Installable as a package that provides the command.",
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     {
      "signal": "L1 runnable",
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     {
      "signal": "L2 installable",
      "detail": "cargo bin",
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    "question": "Can another system run and compose it without a human?",
    "best_surface": "cli",
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     "cli": {
      "level": 2,
      "first_missing": "published",
      "requirements": [
       {
        "level": 1,
        "id": "runnable",
        "text": "Runnable from source (a declared entry point).",
        "met": true,
        "evidence": [
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          "path": "Cargo.toml",
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         {
          "path": "src/main.rs",
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        ],
        "note": ""
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       {
        "level": 2,
        "id": "installable",
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        "met": true,
        "evidence": [
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          "path": "Cargo.toml",
          "detail": "cargo bin"
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         {
          "path": "src/main.rs",
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        ],
        "note": ""
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       {
        "level": 3,
        "id": "published",
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        "met": false,
        "evidence": [],
        "note": "not published to a registry"
       },
       {
        "level": 4,
        "id": "container-or-binary",
        "text": "Also shipped as a container image or a single binary.",
        "met": false,
        "evidence": [],
        "note": "no container image or binary"
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      ]
     }
    },
    "level_name": "partial",
    "applicable": true
   },
   {
    "key": "extensibility",
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    "rationale": "Not yet: Internal seams: a registry, registration function or plugin manager.",
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    "metrics": {},
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     "L1 Internal seams: a registry, registration function or plugin manager. (no registry or registration function)"
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    "question": "Can behaviour be added without modifying the code?",
    "best_surface": "all",
    "surfaces": {
     "all": {
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      "first_missing": "seams",
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        "id": "seams",
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        "evidence": [],
        "note": "no registry or registration function"
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       {
        "level": 2,
        "id": "documented",
        "text": "The docs show how to add behaviour through those seams (even in-tree).",
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    "question": "Can an operator, or an orchestrating agent, tell whether it works and why not?",
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        "id": "tracing",
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