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Nick Vigilante c84aa564ba docs: normalize code-fence languages for Shiki compatibility (#27161) 
Normalizes non-standard code-fence language tags across `docs/**` so a
strict highlighter (Shiki, used by Fumadocs) won't fail the build on an
unrecognized language, and unifies redundant synonym tags onto one
canonical form per language. The current renderer (Speed-Highlight)
detects the language from the code content, not the fence label, so this
drift wasn't visible until now.

## Changes

- `hcl` -> `tf` (199 fences, including indented ones nested in
numbered/bulleted lists). Shiki ships `hcl` and `terraform` as two
distinct grammars (not aliases); every `hcl`-tagged fence in `docs/**`
is actually Terraform resource/data/provider syntax, so the more
specific `terraform` grammar is correct for all of them. `tf` is Shiki's
own alias for that grammar, and it's also what GitHub's own markdown
renderer resolves to the same HCL/Terraform highlighting.
- `pwsh`/`powershell` -> `ps1`. Both `ps` and `ps1` are registered
PowerShell aliases in Shiki, but on GitHub's renderer only `.ps1` is a
registered file extension (`.ps` isn't), so `ps1` renders identically to
`powershell` there today while bare `ps` would silently lose
highlighting.
- `env` -> `dotenv` (a dedicated Shiki grammar for `KEY=VALUE` files)
- `text`/`output`/`none`/`url` -> `txt`. Same built-in plain-text
fallback either way, just shorter.
- `Dockerfile` -> `dockerfile` (lowercase)
- `bash`/`shell` -> `sh` (732 fences). Shiki and GitHub both alias all
three to a single shell grammar; this was already the style guide's
stated preference, just not enforced across the existing corpus until
now.
- `markdown` -> `md` (4 fences). Alias of the same grammar in both Shiki
and GitHub.
- `jsonc` -> `json` (1 fence). The block has no comments or trailing
commas, so it doesn't need the comments-capable grammar.
- `ts` -> `tsx` (2 fences, `docs/about/contributing/frontend.md`).
Verified the actual content tokenizes identically under both grammars,
and a sibling block in the same file already needs `tsx` for real JSX,
so unifying to one tag is safe for this file. Documented a caveat: `tsx`
mis-tokenizes the legacy angle-bracket type-assertion syntax
(`<Type>value`), which is invalid in real `.tsx` files anyway, so use
`value as Type` instead.
- `yml` -> `yaml` (1 fence)
- Updated `docs/.style/style-guide/formatting.md` to document all
canonical tags

`promql` (2 fences) and `caddyfile` (2 fences) are left as-is. Shiki
doesn't bundle a grammar for either, so they need a custom grammar
registration when the site adopts Shiki, rather than degrading to `txt`.
Tracked as follow-up work under DOCS-118 and
[DOCS-544](https://linear.app/codercom/issue/DOCS-544/vendor-a-local-promql-grammar-for-shiki-syntax-highlighting)
(promql).

Does not touch `offlinedocs/`.

Linear:
[DOCS-476](https://linear.app/codercom/issue/DOCS-476/normalize-docs-code-fence-languages-de-risk-shikifumadocs)

<details>
<summary>How the fence tags were verified</summary>

Each tag was tested against a real `shiki@latest` highlighter instance
(`codeToHtml`/`codeToTokens`) and cross-checked against GitHub's
`@wooorm/starry-night` grammar sources (the renderer that actually
displays these `.md` files today, in repo browsing and PR diffs), since
that's what determines whether brevity is safe before Shiki adoption:

```text
FAIL  env        -- Language `env` is not included in this bundle.
FAIL  Dockerfile -- Language `Dockerfile` is not included in this bundle.
FAIL  promql     -- Language `promql` is not included in this bundle.
FAIL  caddyfile  -- Language `caddyfile` is not included in this bundle.
FAIL  pwsh       -- Language `pwsh` is not included in this bundle.
FAIL  output     -- Language `output` is not included in this bundle.
```

`hcl` doesn't error in Shiki, since it's a real grammar, but that's
exactly the trap: it was silently rendering every fence with the generic
HCL grammar instead of the Terraform-specific one. Every `hcl`-tagged
fence in `docs/**` was manually checked against `origin/main` and is
genuinely Terraform content.

For `ts`/`tsx`, tokenizing the actual doc content confirmed identical
output under both grammars; a synthetic test with the legacy
angle-bracket cast syntax confirmed `tsx` degrades on that specific
construct, which the style guide now calls out.

The first normalization pass only matched fence tags at column 0
(`^```tag$`), missing tags indented inside numbered/bulleted lists. A
follow-up pass caught the remaining occurrences at any indentation
level.

</details>


---

*This PR description and the underlying changes were prepared with Coder
Agents assistance.*
2026-07-15 14:07:09 -04:00

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Debug

Debug Info Wireguard Coordinator

Code samples

# Example request using curl
curl -X GET http://coder-server:8080/api/v2/debug/coordinator \
  -H 'Coder-Session-Token: API_KEY'

GET /api/v2/debug/coordinator

Responses

Status Meaning Description Schema
200 OK OK

To perform this operation, you must be authenticated. Learn more.

Debug Info Deployment Health

Code samples

# Example request using curl
curl -X GET http://coder-server:8080/api/v2/debug/health \
  -H 'Accept: application/json' \
  -H 'Coder-Session-Token: API_KEY'

GET /api/v2/debug/health

Parameters

Name In Type Required Description
force query boolean false Force a healthcheck to run

Example responses

200 Response

{
  "access_url": {
    "access_url": "string",
    "dismissed": true,
    "error": "string",
    "healthy": true,
    "healthz_response": "string",
    "reachable": true,
    "severity": "ok",
    "status_code": 0,
    "warnings": [
      {
        "code": "EUNKNOWN",
        "message": "string"
      }
    ]
  },
  "coder_version": "string",
  "database": {
    "dismissed": true,
    "error": "string",
    "healthy": true,
    "latency": "string",
    "latency_ms": 0,
    "reachable": true,
    "severity": "ok",
    "threshold_ms": 0,
    "warnings": [
      {
        "code": "EUNKNOWN",
        "message": "string"
      }
    ]
  },
  "derp": {
    "dismissed": true,
    "error": "string",
    "healthy": true,
    "netcheck": {
      "captivePortal": "string",
      "globalV4": "string",
      "globalV6": "string",
      "hairPinning": "string",
      "icmpv4": true,
      "ipv4": true,
      "ipv4CanSend": true,
      "ipv6": true,
      "ipv6CanSend": true,
      "mappingVariesByDestIP": "string",
      "oshasIPv6": true,
      "pcp": "string",
      "pmp": "string",
      "preferredDERP": 0,
      "regionLatency": {
        "property1": 0,
        "property2": 0
      },
      "regionV4Latency": {
        "property1": 0,
        "property2": 0
      },
      "regionV6Latency": {
        "property1": 0,
        "property2": 0
      },
      "udp": true,
      "upnP": "string"
    },
    "netcheck_err": "string",
    "netcheck_logs": [
      "string"
    ],
    "regions": {
      "property1": {
        "error": "string",
        "healthy": true,
        "node_reports": [
          {
            "can_exchange_messages": true,
            "client_errs": [
              [
                "string"
              ]
            ],
            "client_logs": [
              [
                "string"
              ]
            ],
            "error": "string",
            "healthy": true,
            "node": {
              "canPort80": true,
              "certName": "string",
              "derpport": 0,
              "forceHTTP": true,
              "hostName": "string",
              "insecureForTests": true,
              "ipv4": "string",
              "ipv6": "string",
              "name": "string",
              "regionID": 0,
              "stunonly": true,
              "stunport": 0,
              "stuntestIP": "string"
            },
            "node_info": {
              "tokenBucketBytesBurst": 0,
              "tokenBucketBytesPerSecond": 0
            },
            "round_trip_ping": "string",
            "round_trip_ping_ms": 0,
            "severity": "ok",
            "stun": {
              "canSTUN": true,
              "enabled": true,
              "error": "string"
            },
            "uses_websocket": true,
            "warnings": [
              {
                "code": "EUNKNOWN",
                "message": "string"
              }
            ]
          }
        ],
        "region": {
          "avoid": true,
          "embeddedRelay": true,
          "nodes": [
            {
              "canPort80": true,
              "certName": "string",
              "derpport": 0,
              "forceHTTP": true,
              "hostName": "string",
              "insecureForTests": true,
              "ipv4": "string",
              "ipv6": "string",
              "name": "string",
              "regionID": 0,
              "stunonly": true,
              "stunport": 0,
              "stuntestIP": "string"
            }
          ],
          "regionCode": "string",
          "regionID": 0,
          "regionName": "string"
        },
        "severity": "ok",
        "warnings": [
          {
            "code": "EUNKNOWN",
            "message": "string"
          }
        ]
      },
      "property2": {
        "error": "string",
        "healthy": true,
        "node_reports": [
          {
            "can_exchange_messages": true,
            "client_errs": [
              [
                "string"
              ]
            ],
            "client_logs": [
              [
                "string"
              ]
            ],
            "error": "string",
            "healthy": true,
            "node": {
              "canPort80": true,
              "certName": "string",
              "derpport": 0,
              "forceHTTP": true,
              "hostName": "string",
              "insecureForTests": true,
              "ipv4": "string",
              "ipv6": "string",
              "name": "string",
              "regionID": 0,
              "stunonly": true,
              "stunport": 0,
              "stuntestIP": "string"
            },
            "node_info": {
              "tokenBucketBytesBurst": 0,
              "tokenBucketBytesPerSecond": 0
            },
            "round_trip_ping": "string",
            "round_trip_ping_ms": 0,
            "severity": "ok",
            "stun": {
              "canSTUN": true,
              "enabled": true,
              "error": "string"
            },
            "uses_websocket": true,
            "warnings": [
              {
                "code": "EUNKNOWN",
                "message": "string"
              }
            ]
          }
        ],
        "region": {
          "avoid": true,
          "embeddedRelay": true,
          "nodes": [
            {
              "canPort80": true,
              "certName": "string",
              "derpport": 0,
              "forceHTTP": true,
              "hostName": "string",
              "insecureForTests": true,
              "ipv4": "string",
              "ipv6": "string",
              "name": "string",
              "regionID": 0,
              "stunonly": true,
              "stunport": 0,
              "stuntestIP": "string"
            }
          ],
          "regionCode": "string",
          "regionID": 0,
          "regionName": "string"
        },
        "severity": "ok",
        "warnings": [
          {
            "code": "EUNKNOWN",
            "message": "string"
          }
        ]
      }
    },
    "severity": "ok",
    "warnings": [
      {
        "code": "EUNKNOWN",
        "message": "string"
      }
    ]
  },
  "healthy": true,
  "provisioner_daemons": {
    "dismissed": true,
    "error": "string",
    "items": [
      {
        "provisioner_daemon": {
          "api_version": "string",
          "created_at": "2019-08-24T14:15:22Z",
          "current_job": {
            "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
            "status": "pending",
            "template_display_name": "string",
            "template_icon": "string",
            "template_name": "string"
          },
          "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
          "key_id": "1e779c8a-6786-4c89-b7c3-a6666f5fd6b5",
          "key_name": "string",
          "last_seen_at": "2019-08-24T14:15:22Z",
          "name": "string",
          "organization_id": "7c60d51f-b44e-4682-87d6-449835ea4de6",
          "previous_job": {
            "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
            "status": "pending",
            "template_display_name": "string",
            "template_icon": "string",
            "template_name": "string"
          },
          "provisioners": [
            "string"
          ],
          "status": "offline",
          "tags": {
            "property1": "string",
            "property2": "string"
          },
          "version": "string"
        },
        "warnings": [
          {
            "code": "EUNKNOWN",
            "message": "string"
          }
        ]
      }
    ],
    "severity": "ok",
    "warnings": [
      {
        "code": "EUNKNOWN",
        "message": "string"
      }
    ]
  },
  "severity": "ok",
  "time": "2019-08-24T14:15:22Z",
  "websocket": {
    "body": "string",
    "code": 0,
    "dismissed": true,
    "error": "string",
    "healthy": true,
    "severity": "ok",
    "warnings": [
      {
        "code": "EUNKNOWN",
        "message": "string"
      }
    ]
  },
  "workspace_proxy": {
    "dismissed": true,
    "error": "string",
    "healthy": true,
    "severity": "ok",
    "warnings": [
      {
        "code": "EUNKNOWN",
        "message": "string"
      }
    ],
    "workspace_proxies": {
      "regions": [
        {
          "created_at": "2019-08-24T14:15:22Z",
          "deleted": true,
          "derp_enabled": true,
          "derp_only": true,
          "display_name": "string",
          "healthy": true,
          "icon_url": "string",
          "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",
          "name": "string",
          "path_app_url": "string",
          "status": {
            "checked_at": "2019-08-24T14:15:22Z",
            "report": {
              "errors": [
                "string"
              ],
              "warnings": [
                "string"
              ]
            },
            "status": "ok"
          },
          "updated_at": "2019-08-24T14:15:22Z",
          "version": "string",
          "wildcard_hostname": "string"
        }
      ]
    }
  }
}

Responses

Status Meaning Description Schema
200 OK OK healthsdk.HealthcheckReport

To perform this operation, you must be authenticated. Learn more.

Get health settings

Code samples

# Example request using curl
curl -X GET http://coder-server:8080/api/v2/debug/health/settings \
  -H 'Accept: application/json' \
  -H 'Coder-Session-Token: API_KEY'

GET /api/v2/debug/health/settings

Example responses

200 Response

{
  "dismissed_healthchecks": [
    "DERP"
  ]
}

Responses

Status Meaning Description Schema
200 OK OK healthsdk.HealthSettings

To perform this operation, you must be authenticated. Learn more.

Update health settings

Code samples

# Example request using curl
curl -X PUT http://coder-server:8080/api/v2/debug/health/settings \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json' \
  -H 'Coder-Session-Token: API_KEY'

PUT /api/v2/debug/health/settings

Body parameter

{
  "dismissed_healthchecks": [
    "DERP"
  ]
}

Parameters

Name In Type Required Description
body body healthsdk.UpdateHealthSettings true Update health settings

Example responses

200 Response

{
  "dismissed_healthchecks": [
    "DERP"
  ]
}

Responses

Status Meaning Description Schema
200 OK OK healthsdk.UpdateHealthSettings

To perform this operation, you must be authenticated. Learn more.

Debug Info Tailnet

Code samples

# Example request using curl
curl -X GET http://coder-server:8080/api/v2/debug/tailnet \
  -H 'Coder-Session-Token: API_KEY'

GET /api/v2/debug/tailnet

Responses

Status Meaning Description Schema
200 OK OK

To perform this operation, you must be authenticated. Learn more.

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