diff --git a/src/docs.html b/src/docs.html
index 73276be..7a33f66 100644
--- a/src/docs.html
+++ b/src/docs.html
@@ -33,6 +33,7 @@
       <ul class="navbar-nav ms-auto align-items-lg-center gap-lg-2">
         <li class="nav-item"><a class="nav-link" href="docs.html">Docs</a></li>
         <li class="nav-item"><a class="nav-link" href="examples.html">Examples</a></li>
+        <li class="nav-item"><a class="nav-link" href="schema.html">Schema</a></li>
         <li class="nav-item"><a class="nav-link" href="security.html">Security Design</a></li>
         <li class="nav-item ms-lg-2">
           <a class="btn btn-sm btn-outline-dark" href="https://git.mig5.net/mig5/enroll" target="_blank" rel="noreferrer">
@@ -61,6 +62,7 @@
           <div class="list-group">
             <a class="list-group-item list-group-item-action" href="#model">Mental model</a>
             <a class="list-group-item list-group-item-action" href="#harvest">How harvesting works</a>
+            <a class="list-group-item list-group-item-action" href="#schema">State schema</a>
             <a class="list-group-item list-group-item-action" href="#modes">Single-site vs multi-site</a>
             <a class="list-group-item list-group-item-action" href="#remote">Remote harvesting</a>
             <a class="list-group-item list-group-item-action" href="#templates">JinjaTurtle templates</a>
@@ -158,6 +160,19 @@
           </div>
         </section>
 
+
+        <section id="schema" class="scroll-mt-nav mb-5">
+          <h2 class="section-title fw-bold">State schema</h2>
+          <p class="text-secondary">Enroll writes a <code>state.json</code> file describing what was harvested. The canonical definition of that file format is the JSON Schema below.</p>
+
+          <div class="callout p-4">
+            <div class="d-flex flex-wrap gap-2 align-items-center">
+              <a class="btn btn-sm btn-dark" href="schema.html"><i class="bi bi-eye"></i> View formatted schema</a>
+              <a class="btn btn-sm btn-outline-dark" href="schema/state.schema.json"><i class="bi bi-braces"></i> state.schema.json</a>
+            </div>
+          </div>
+        </section>
+
         <section id="modes" class="scroll-mt-nav mb-5">
           <h2 class="section-title fw-bold">Single-site vs multi-site</h2>
           <p class="text-secondary">Manifest output has two styles. Choose based on how you'll use the result.</p>
@@ -521,6 +536,7 @@ sudo journalctl -u enroll-harvest-diff.service -n 200 --no-pager
         <ul class="list-unstyled small mb-0">
           <li><a class="link-secondary text-decoration-none" href="docs.html">Docs</a></li>
           <li><a class="link-secondary text-decoration-none" href="examples.html">Examples</a></li>
+          <li><a class="link-secondary text-decoration-none" href="schema.html">Schema</a></li>
           <li><a class="link-secondary text-decoration-none" href="security.html">Security Design</a></li>
         </ul>
       </div>
diff --git a/src/examples.html b/src/examples.html
index 6c273ee..431ede8 100644
--- a/src/examples.html
+++ b/src/examples.html
@@ -33,6 +33,7 @@
       <ul class="navbar-nav ms-auto align-items-lg-center gap-lg-2">
         <li class="nav-item"><a class="nav-link" href="docs.html">Docs</a></li>
         <li class="nav-item"><a class="nav-link" href="examples.html">Examples</a></li>
+        <li class="nav-item"><a class="nav-link" href="schema.html">Schema</a></li>
         <li class="nav-item"><a class="nav-link" href="security.html">Security Design</a></li>
         <li class="nav-item ms-lg-2">
           <a class="btn btn-sm btn-outline-dark" href="https://git.mig5.net/mig5/enroll" target="_blank" rel="noreferrer">
@@ -174,6 +175,7 @@
         <ul class="list-unstyled small mb-0">
           <li><a class="link-secondary text-decoration-none" href="docs.html">Docs</a></li>
           <li><a class="link-secondary text-decoration-none" href="examples.html">Examples</a></li>
+          <li><a class="link-secondary text-decoration-none" href="schema.html">Schema</a></li>
           <li><a class="link-secondary text-decoration-none" href="security.html">Security Design</a></li>
         </ul>
       </div>
diff --git a/src/index.html b/src/index.html
index 7bb41fd..e762309 100644
--- a/src/index.html
+++ b/src/index.html
@@ -37,6 +37,7 @@
       <ul class="navbar-nav ms-auto align-items-lg-center gap-lg-2">
         <li class="nav-item"><a class="nav-link" href="docs.html">Docs</a></li>
         <li class="nav-item"><a class="nav-link" href="examples.html">Examples</a></li>
+        <li class="nav-item"><a class="nav-link" href="schema.html">Schema</a></li>
         <li class="nav-item"><a class="nav-link" href="security.html">Security Design</a></li>
         <li class="nav-item ms-lg-2">
           <a class="btn btn-sm btn-outline-dark" href="https://git.mig5.net/mig5/enroll" target="_blank" rel="noreferrer">
diff --git a/src/schema.html b/src/schema.html
new file mode 100644
index 0000000..a7a52ea
--- /dev/null
+++ b/src/schema.html
@@ -0,0 +1,145 @@
+<!doctype html>
+<html lang="en">
+<head>
+  <meta charset="utf-8">
+  <meta name="viewport" content="width=device-width, initial-scale=1">
+  <title>Enroll State Schema</title>
+  <meta name="description" content="JSON Schema describing the Enroll harvest state.json format.">
+
+  <!-- Fonts -->
+  <link rel="preconnect" href="https://fonts.googleapis.com">
+  <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
+  <link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap" rel="stylesheet">
+
+  <!-- Bootstrap -->
+  <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
+  <link href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.min.css" rel="stylesheet">
+
+  <link href="assets/css/site.css" rel="stylesheet">
+</head>
+<body>
+
+<nav class="navbar navbar-expand-lg bg-white bg-opacity-75 sticky-top border-bottom" data-bs-theme="light">
+  <div class="container py-1">
+    <a class="navbar-brand fw-bold d-flex align-items-center gap-2" href="index.html">
+      <img class="brand-mark" src="assets/img/enroll.svg" alt="Enroll">
+      <span>Enroll</span>
+    </a>
+    <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#nav" aria-controls="nav" aria-expanded="false" aria-label="Toggle navigation">
+      <span class="navbar-toggler-icon"></span>
+    </button>
+    <div class="collapse navbar-collapse" id="nav">
+      <ul class="navbar-nav ms-auto align-items-lg-center gap-lg-2">
+        <li class="nav-item"><a class="nav-link" href="docs.html">Docs</a></li>
+        <li class="nav-item"><a class="nav-link" href="examples.html">Examples</a></li>
+        <li class="nav-item"><a class="nav-link" href="schema.html">Schema</a></li>
+        <li class="nav-item"><a class="nav-link" href="security.html">Security Design</a></li>
+        <li class="nav-item ms-lg-2">
+          <a class="btn btn-sm btn-outline-dark" href="https://git.mig5.net/mig5/enroll" target="_blank" rel="noreferrer">
+            <i class="bi bi-git"></i> Repo
+          </a>
+        </li>
+      </ul>
+    </div>
+  </div>
+</nav>
+
+<header class="py-5 hero">
+  <div class="container py-3">
+    <div class="kicker mb-3"><i class="bi bi-braces"></i> Schema</div>
+    <h1 class="display-6 fw-bold mb-2">Harvest <code>state.json</code> schema</h1>
+    <p class="lead mb-0">A machine-readable contract for Enroll’s harvest output.</p>
+  </div>
+</header>
+
+<main class="py-5">
+  <div class="container">
+    <div class="row g-4">
+      <div class="col-lg-4">
+        <div class="callout p-4">
+          <div class="fw-semibold mb-2">Links</div>
+          <div class="d-grid gap-2">
+            <a class="btn btn-sm btn-outline-dark" href="schema/state.schema.json"><i class="bi bi-download"></i> Raw JSON Schema</a>
+            <a class="btn btn-sm btn-outline-dark" href="docs.html#schema"><i class="bi bi-book"></i> Docs section</a>
+          </div>
+          <hr class="my-3">
+          <p class="small text-secondary mb-0">Whitespace doesn’t matter for JSON Schema, so this page pretty-prints the same content you’d fetch from the raw link.</p>
+        </div>
+      </div>
+
+      <div class="col-lg-8">
+        <div class="feature-card p-4">
+          <div class="d-flex align-items-center justify-content-between flex-wrap gap-2">
+            <h2 class="h4 fw-bold mb-0">state.schema.json</h2>
+            <a class="btn btn-sm btn-outline-secondary" href="schema/state.schema.json" target="_blank" rel="noreferrer"><i class="bi bi-box-arrow-up-right"></i> Open raw</a>
+          </div>
+
+          <div class="codeblock terminal mt-3">
+            <button class="btn btn-sm btn-outline-secondary copy-btn" data-copy-target="#schema-code"><i class="bi bi-clipboard"></i> Copy</button>
+            <pre class="mb-0"><code id="schema-code">Loading…</code></pre>
+          </div>
+
+          <div class="small text-secondary mt-3">Tip: you can validate a harvest with <code>python -m jsonschema -i state.json schema/state.schema.json</code> (or use the repository’s CI helper script if you have it).</div>
+        </div>
+      </div>
+    </div>
+  </div>
+</main>
+
+<footer class="py-5">
+  <div class="container">
+    <div class="row g-4 align-items-start">
+      <div class="col-lg-6">
+        <div class="d-flex align-items-center gap-2 mb-2">
+          <img class="brand-mark" src="assets/img/enroll.svg" alt="Enroll">
+          <div class="fw-bold">Enroll (a mig5 project)</div>
+          <span class="badge badge-soft rounded-pill">CLI</span>
+          <span class="badge badge-soft rounded-pill">Ansible</span>
+        </div>
+        <p class="smallprint mb-3">Reverse-engineering servers into Ansible.</p>
+        <div class="d-flex flex-wrap gap-2">
+          <a class="btn btn-sm btn-outline-dark" href="https://git.mig5.net/mig5/enroll" target="_blank" rel="noreferrer"><i class="bi bi-git"></i> Repo</a>
+          <a class="btn btn-sm btn-outline-dark" href="https://pypi.org/project/enroll/" target="_blank" rel="noreferrer"><i class="bi bi-box"></i> PyPI</a>
+        </div>
+      </div>
+      <div class="col-lg-3">
+        <div class="fw-semibold mb-2">Site</div>
+        <ul class="list-unstyled small mb-0">
+          <li><a class="link-secondary text-decoration-none" href="docs.html">Docs</a></li>
+          <li><a class="link-secondary text-decoration-none" href="examples.html">Examples</a></li>
+          <li><a class="link-secondary text-decoration-none" href="schema.html">Schema</a></li>
+          <li><a class="link-secondary text-decoration-none" href="security.html">Security Design</a></li>
+        </ul>
+      </div>
+      <div class="col-lg-3">
+        <div class="fw-semibold mb-2">Contact</div>
+        <ul class="list-unstyled small mb-0">
+          <li><a class="link-secondary text-decoration-none" href="https://nr.mig5.net/forms/mig5/contact" target="_blank" rel="noreferrer">Form</a></li>
+          <li><span class="text-secondary">Fediverse:</span> <a class="link-secondary text-decoration-none" href="https://goto.mig5.net/@mig5" target="_blank" rel="noreferrer">@mig5</a></li>
+        </ul>
+      </div>
+    </div>
+    <hr class="my-4">
+    <div class="d-flex flex-column flex-md-row justify-content-between align-items-md-center gap-2 small">
+      <div class="text-secondary">© <span id="year"></span> <a href="https://mig5.net" target="_blank" rel="noopener noreferrer">mig5 system administration</a></div>
+    </div>
+  </div>
+</footer>
+
+<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
+<script src="assets/js/site.js"></script>
+<script>
+  document.getElementById('year').textContent = new Date().getFullYear();
+  (async () => {
+    const el = document.getElementById('schema-code');
+    try {
+      const res = await fetch('schema/state.schema.json', {cache: 'no-store'});
+      const obj = await res.json();
+      el.textContent = JSON.stringify(obj, null, 2);
+    } catch (e) {
+      el.textContent = 'Failed to load schema: ' + (e && e.message ? e.message : String(e));
+    }
+  })();
+</script>
+</body>
+</html>
diff --git a/src/schema/state.schema.json b/src/schema/state.schema.json
new file mode 100644
index 0000000..bdca824
--- /dev/null
+++ b/src/schema/state.schema.json
@@ -0,0 +1,674 @@
+{
+  "$defs": {
+    "AptConfigSnapshot": {
+      "allOf": [
+        {
+          "$ref": "#/$defs/RoleCommon"
+        },
+        {
+          "properties": {
+            "role_name": {
+              "const": "apt_config"
+            }
+          },
+          "type": "object"
+        }
+      ],
+      "unevaluatedProperties": false
+    },
+    "DnfConfigSnapshot": {
+      "allOf": [
+        {
+          "$ref": "#/$defs/RoleCommon"
+        },
+        {
+          "properties": {
+            "role_name": {
+              "const": "dnf_config"
+            }
+          },
+          "type": "object"
+        }
+      ],
+      "unevaluatedProperties": false
+    },
+    "EtcCustomSnapshot": {
+      "allOf": [
+        {
+          "$ref": "#/$defs/RoleCommon"
+        },
+        {
+          "properties": {
+            "role_name": {
+              "const": "etc_custom"
+            }
+          },
+          "type": "object"
+        }
+      ],
+      "unevaluatedProperties": false
+    },
+    "ExcludedFile": {
+      "additionalProperties": false,
+      "properties": {
+        "path": {
+          "minLength": 1,
+          "pattern": "^/.*",
+          "type": "string"
+        },
+        "reason": {
+          "enum": [
+            "user_excluded",
+            "unreadable",
+            "log_file",
+            "denied_path",
+            "too_large",
+            "not_regular_file",
+            "binary_like",
+            "sensitive_content"
+          ],
+          "type": "string"
+        }
+      },
+      "required": [
+        "path",
+        "reason"
+      ],
+      "type": "object"
+    },
+    "ExtraPathsSnapshot": {
+      "allOf": [
+        {
+          "$ref": "#/$defs/RoleCommon"
+        },
+        {
+          "properties": {
+            "exclude_patterns": {
+              "items": {
+                "type": "string"
+              },
+              "type": "array"
+            },
+            "include_patterns": {
+              "items": {
+                "type": "string"
+              },
+              "type": "array"
+            },
+            "role_name": {
+              "const": "extra_paths"
+            }
+          },
+          "required": [
+            "include_patterns",
+            "exclude_patterns"
+          ],
+          "type": "object"
+        }
+      ],
+      "unevaluatedProperties": false
+    },
+    "InstalledPackageInstance": {
+      "additionalProperties": false,
+      "properties": {
+        "arch": {
+          "minLength": 1,
+          "type": "string"
+        },
+        "version": {
+          "minLength": 1,
+          "type": "string"
+        }
+      },
+      "required": [
+        "version",
+        "arch"
+      ],
+      "type": "object"
+    },
+    "ManagedDir": {
+      "additionalProperties": false,
+      "properties": {
+        "group": {
+          "minLength": 1,
+          "type": "string"
+        },
+        "mode": {
+          "pattern": "^[0-7]{4}$",
+          "type": "string"
+        },
+        "owner": {
+          "minLength": 1,
+          "type": "string"
+        },
+        "path": {
+          "minLength": 1,
+          "pattern": "^/.*",
+          "type": "string"
+        },
+        "reason": {
+          "enum": [
+            "parent_of_managed_file",
+            "user_include_dir"
+          ],
+          "type": "string"
+        }
+      },
+      "required": [
+        "path",
+        "owner",
+        "group",
+        "mode",
+        "reason"
+      ],
+      "type": "object"
+    },
+    "ManagedFile": {
+      "additionalProperties": false,
+      "properties": {
+        "group": {
+          "minLength": 1,
+          "type": "string"
+        },
+        "mode": {
+          "pattern": "^[0-7]{4}$",
+          "type": "string"
+        },
+        "owner": {
+          "minLength": 1,
+          "type": "string"
+        },
+        "path": {
+          "minLength": 1,
+          "pattern": "^/.*",
+          "type": "string"
+        },
+        "reason": {
+          "enum": [
+            "apt_config",
+            "apt_keyring",
+            "apt_signed_by_keyring",
+            "apt_source",
+            "authorized_keys",
+            "cron_snippet",
+            "custom_specific_path",
+            "custom_unowned",
+            "dnf_config",
+            "logrotate_snippet",
+            "modified_conffile",
+            "modified_packaged_file",
+            "related_timer",
+            "rpm_gpg_key",
+            "ssh_public_key",
+            "system_cron",
+            "system_firewall",
+            "system_logrotate",
+            "system_modprobe",
+            "system_mounts",
+            "system_network",
+            "system_rc",
+            "system_security",
+            "system_sysctl",
+            "systemd_dropin",
+            "systemd_envfile",
+            "user_include",
+            "usr_local_bin_script",
+            "usr_local_etc_custom",
+            "yum_conf",
+            "yum_config",
+            "yum_repo"
+          ],
+          "type": "string"
+        },
+        "src_rel": {
+          "minLength": 1,
+          "pattern": "^[^/].*",
+          "type": "string"
+        }
+      },
+      "required": [
+        "path",
+        "src_rel",
+        "owner",
+        "group",
+        "mode",
+        "reason"
+      ],
+      "type": "object"
+    },
+    "ObservedVia": {
+      "oneOf": [
+        {
+          "additionalProperties": false,
+          "properties": {
+            "kind": {
+              "const": "user_installed"
+            }
+          },
+          "required": [
+            "kind"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "kind": {
+              "const": "systemd_unit"
+            },
+            "ref": {
+              "minLength": 1,
+              "type": "string"
+            }
+          },
+          "required": [
+            "kind",
+            "ref"
+          ],
+          "type": "object"
+        },
+        {
+          "additionalProperties": false,
+          "properties": {
+            "kind": {
+              "const": "package_role"
+            },
+            "ref": {
+              "minLength": 1,
+              "type": "string"
+            }
+          },
+          "required": [
+            "kind",
+            "ref"
+          ],
+          "type": "object"
+        }
+      ]
+    },
+    "PackageInventoryEntry": {
+      "additionalProperties": false,
+      "properties": {
+        "arches": {
+          "items": {
+            "minLength": 1,
+            "type": "string"
+          },
+          "type": "array"
+        },
+        "installations": {
+          "items": {
+            "$ref": "#/$defs/InstalledPackageInstance"
+          },
+          "type": "array"
+        },
+        "observed_via": {
+          "items": {
+            "$ref": "#/$defs/ObservedVia"
+          },
+          "type": "array"
+        },
+        "roles": {
+          "items": {
+            "minLength": 1,
+            "type": "string"
+          },
+          "type": "array"
+        },
+        "version": {
+          "type": [
+            "string",
+            "null"
+          ]
+        }
+      },
+      "required": [
+        "version",
+        "arches",
+        "installations",
+        "observed_via",
+        "roles"
+      ],
+      "type": "object"
+    },
+    "PackageSnapshot": {
+      "allOf": [
+        {
+          "$ref": "#/$defs/RoleCommon"
+        },
+        {
+          "properties": {
+            "package": {
+              "minLength": 1,
+              "type": "string"
+            }
+          },
+          "required": [
+            "package"
+          ],
+          "type": "object"
+        }
+      ],
+      "unevaluatedProperties": false
+    },
+    "RoleCommon": {
+      "properties": {
+        "excluded": {
+          "items": {
+            "$ref": "#/$defs/ExcludedFile"
+          },
+          "type": "array"
+        },
+        "managed_dirs": {
+          "items": {
+            "$ref": "#/$defs/ManagedDir"
+          },
+          "type": "array"
+        },
+        "managed_files": {
+          "items": {
+            "$ref": "#/$defs/ManagedFile"
+          },
+          "type": "array"
+        },
+        "notes": {
+          "items": {
+            "type": "string"
+          },
+          "type": "array"
+        },
+        "role_name": {
+          "minLength": 1,
+          "pattern": "^[A-Za-z0-9_]+$",
+          "type": "string"
+        }
+      },
+      "required": [
+        "role_name",
+        "managed_dirs",
+        "managed_files",
+        "excluded",
+        "notes"
+      ],
+      "type": "object"
+    },
+    "ServiceSnapshot": {
+      "allOf": [
+        {
+          "$ref": "#/$defs/RoleCommon"
+        },
+        {
+          "properties": {
+            "active_state": {
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "condition_result": {
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "packages": {
+              "items": {
+                "minLength": 1,
+                "type": "string"
+              },
+              "type": "array"
+            },
+            "role_name": {
+              "minLength": 1,
+              "pattern": "^[a-z_][a-z0-9_]*$",
+              "type": "string"
+            },
+            "sub_state": {
+              "type": [
+                "string",
+                "null"
+              ]
+            },
+            "unit": {
+              "minLength": 1,
+              "type": "string"
+            },
+            "unit_file_state": {
+              "type": [
+                "string",
+                "null"
+              ]
+            }
+          },
+          "required": [
+            "unit",
+            "packages",
+            "active_state",
+            "sub_state",
+            "unit_file_state",
+            "condition_result"
+          ],
+          "type": "object"
+        }
+      ],
+      "unevaluatedProperties": false
+    },
+    "UserEntry": {
+      "additionalProperties": false,
+      "properties": {
+        "gecos": {
+          "type": "string"
+        },
+        "gid": {
+          "minimum": 0,
+          "type": "integer"
+        },
+        "home": {
+          "type": "string"
+        },
+        "name": {
+          "minLength": 1,
+          "type": "string"
+        },
+        "primary_group": {
+          "minLength": 1,
+          "type": "string"
+        },
+        "shell": {
+          "type": "string"
+        },
+        "supplementary_groups": {
+          "items": {
+            "minLength": 1,
+            "type": "string"
+          },
+          "type": "array"
+        },
+        "uid": {
+          "minimum": 0,
+          "type": "integer"
+        }
+      },
+      "required": [
+        "name",
+        "uid",
+        "gid",
+        "gecos",
+        "home",
+        "shell",
+        "primary_group",
+        "supplementary_groups"
+      ],
+      "type": "object"
+    },
+    "UsersSnapshot": {
+      "allOf": [
+        {
+          "$ref": "#/$defs/RoleCommon"
+        },
+        {
+          "properties": {
+            "role_name": {
+              "const": "users"
+            },
+            "users": {
+              "items": {
+                "$ref": "#/$defs/UserEntry"
+              },
+              "type": "array"
+            }
+          },
+          "required": [
+            "users"
+          ],
+          "type": "object"
+        }
+      ],
+      "unevaluatedProperties": false
+    },
+    "UsrLocalCustomSnapshot": {
+      "allOf": [
+        {
+          "$ref": "#/$defs/RoleCommon"
+        },
+        {
+          "properties": {
+            "role_name": {
+              "const": "usr_local_custom"
+            }
+          },
+          "type": "object"
+        }
+      ],
+      "unevaluatedProperties": false
+    }
+  },
+  "$id": "https://enroll.sh/schema/state.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "additionalProperties": false,
+  "properties": {
+    "enroll": {
+      "additionalProperties": false,
+      "properties": {
+        "harvest_time": {
+          "minimum": 0,
+          "type": "integer"
+        },
+        "version": {
+          "type": "string"
+        }
+      },
+      "required": [
+        "version",
+        "harvest_time"
+      ],
+      "type": "object"
+    },
+    "host": {
+      "additionalProperties": false,
+      "properties": {
+        "hostname": {
+          "minLength": 1,
+          "type": "string"
+        },
+        "os": {
+          "enum": [
+            "debian",
+            "redhat",
+            "unknown"
+          ],
+          "type": "string"
+        },
+        "os_release": {
+          "additionalProperties": {
+            "type": "string"
+          },
+          "type": "object"
+        },
+        "pkg_backend": {
+          "enum": [
+            "dpkg",
+            "rpm"
+          ],
+          "type": "string"
+        }
+      },
+      "required": [
+        "hostname",
+        "os",
+        "pkg_backend",
+        "os_release"
+      ],
+      "type": "object"
+    },
+    "inventory": {
+      "additionalProperties": false,
+      "properties": {
+        "packages": {
+          "additionalProperties": {
+            "$ref": "#/$defs/PackageInventoryEntry"
+          },
+          "type": "object"
+        }
+      },
+      "required": [
+        "packages"
+      ],
+      "type": "object"
+    },
+    "roles": {
+      "additionalProperties": false,
+      "properties": {
+        "apt_config": {
+          "$ref": "#/$defs/AptConfigSnapshot"
+        },
+        "dnf_config": {
+          "$ref": "#/$defs/DnfConfigSnapshot"
+        },
+        "etc_custom": {
+          "$ref": "#/$defs/EtcCustomSnapshot"
+        },
+        "extra_paths": {
+          "$ref": "#/$defs/ExtraPathsSnapshot"
+        },
+        "packages": {
+          "items": {
+            "$ref": "#/$defs/PackageSnapshot"
+          },
+          "type": "array"
+        },
+        "services": {
+          "items": {
+            "$ref": "#/$defs/ServiceSnapshot"
+          },
+          "type": "array"
+        },
+        "users": {
+          "$ref": "#/$defs/UsersSnapshot"
+        },
+        "usr_local_custom": {
+          "$ref": "#/$defs/UsrLocalCustomSnapshot"
+        }
+      },
+      "required": [
+        "users",
+        "services",
+        "packages",
+        "apt_config",
+        "dnf_config",
+        "etc_custom",
+        "usr_local_custom",
+        "extra_paths"
+      ],
+      "type": "object"
+    }
+  },
+  "required": [
+    "enroll",
+    "host",
+    "inventory",
+    "roles"
+  ],
+  "title": "Enroll harvest state.json schema (latest)",
+  "type": "object"
+}
diff --git a/src/security.html b/src/security.html
index d850a5c..6365f53 100644
--- a/src/security.html
+++ b/src/security.html
@@ -33,6 +33,7 @@
       <ul class="navbar-nav ms-auto align-items-lg-center gap-lg-2">
         <li class="nav-item"><a class="nav-link" href="docs.html">Docs</a></li>
         <li class="nav-item"><a class="nav-link" href="examples.html">Examples</a></li>
+        <li class="nav-item"><a class="nav-link" href="schema.html">Schema</a></li>
         <li class="nav-item"><a class="nav-link" href="security.html">Security Design</a></li>
         <li class="nav-item ms-lg-2">
           <a class="btn btn-sm btn-outline-dark" href="https://git.mig5.net/mig5/enroll" target="_blank" rel="noreferrer">
@@ -173,6 +174,7 @@
         <ul class="list-unstyled small mb-0">
           <li><a class="link-secondary text-decoration-none" href="docs.html">Docs</a></li>
           <li><a class="link-secondary text-decoration-none" href="examples.html">Examples</a></li>
+          <li><a class="link-secondary text-decoration-none" href="schema.html">Schema</a></li>
           <li><a class="link-secondary text-decoration-none" href="security.html">Security Design</a></li>
         </ul>
       </div>