feat(api): personal API tokens and the AI access page
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First step of milestone 461 (MCP server). A token is the credential an
MCP client presents as `Authorization: Bearer stw_…` to act as its user.

- api_tokens table (0026): sha256 hash only, display prefix, role
  ceiling, expiry, revocation, throttled last_used_at.
- steward/core/api_tokens.py: mint, list, revoke, resolve. Resolution
  re-reads the user's current role and acts with the lower of that and
  the token's ceiling, so demoting or disabling a user weakens or kills
  their tokens with nothing to revoke by hand.
- /ai-access/ (sidebar → Automation → AI access): every user manages
  their own tokens, can't grant above their own role, sees the token
  once. Session-only: a share-link viewer is refused. Create and revoke
  are audited.
- Integration tests drive the routes against real Postgres so their
  transactions run for real (#884 escaped CI behind a mocked session).

Task #4965 "MCP-1 — Personal API tokens".

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
2026-10-06 07:15:23 -04:00
co-authored by Claude Opus 5.5
parent 0da88c7076
commit 1c60fb6b4d
12 changed files with 804 additions and 1 deletions
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{% extends "base.html" %}
{% from "_macros.html" import crumbs %}
{% block title %}Token created — Steward{% endblock %}
{% block breadcrumb %}{{ crumbs([("AI access", "/ai-access/"), ("Token created", "")]) }}{% endblock %}
{% block content %}
<div style="max-width:640px;">
<h1 class="page-title">Token created</h1>
<div class="card" style="border-color:var(--gold);margin-bottom:1rem;">
<div style="font-size:0.8rem;font-weight:600;color:var(--gold);text-transform:uppercase;letter-spacing:0.06em;margin-bottom:0.75rem;">
Copy this token now. It can't be shown again.
</div>
<div style="display:flex;gap:0.5rem;align-items:center;">
<input type="text" id="api-token" value="{{ raw_token }}" readonly
aria-label="API token"
style="flex:1;font-family:ui-monospace,monospace;font-size:0.8rem;background:var(--bg);color:var(--text);">
<button type="button"
onclick="navigator.clipboard.writeText(document.getElementById('api-token').value).then(()=>this.textContent='Copied')"
class="btn btn-ghost btn-sm" style="white-space:nowrap;">Copy</button>
</div>
<div style="margin-top:0.75rem;font-size:0.82rem;color:var(--text-muted);">
<strong>Name:</strong> {{ token.name }}
&nbsp;·&nbsp;<strong>Role:</strong> {{ token.role.value }}
&nbsp;·&nbsp;<strong>Expires:</strong>
{% if token.expires_at %}{{ token.expires_at.strftime("%Y-%m-%d") }}{% else %}Never{% endif %}
</div>
</div>
<p style="font-size:0.85rem;color:var(--text-muted);line-height:1.55;">
Treat it like a password: anyone holding it can act as you, up to this token's role.
If it leaks, revoke it from the AI access page.
</p>
<a href="/ai-access/" class="btn btn-ghost">Back to AI access</a>
</div>
{% endblock %}
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{% extends "base.html" %}
{% block title %}AI access — Steward{% endblock %}
{% block head %}
<style>
.ai-access-grid { display:grid; grid-template-columns:minmax(0,1fr) 320px; gap:1.5rem; align-items:start; }
.ai-access-grid .card-flush { overflow-x:auto; }
@media (max-width: 900px) { .ai-access-grid { grid-template-columns:minmax(0,1fr); } }
</style>
{% endblock %}
{% block content %}
{% set role_help = {
"viewer": "Reads everything you can see. Changes nothing.",
"operator": "Also runs playbooks and changes monitors and alerts.",
"admin": "Full access, the same as an admin in the UI.",
} %}
<h1 class="page-title">AI access</h1>
<p style="color:var(--text-muted);font-size:0.9rem;max-width:720px;margin:-0.5rem 0 1.5rem;line-height:1.55;">
A token lets an AI client such as Claude Code connect to Steward over MCP and act as
<strong style="color:var(--text);">you</strong>, limited to the role you give the token.
Everything a token changes is written to the audit log under your name.
</p>
<div class="ai-access-grid">
<div>
<div class="section-title" style="margin-bottom:0.75rem;">Your tokens</div>
{% if rows %}
<div class="card-flush">
<table class="table">
<thead>
<tr>
<th>Name</th>
<th>Role</th>
<th>Created</th>
<th>Last used</th>
<th>Expires</th>
<th></th>
</tr>
</thead>
<tbody>
{% for row in rows %}
{% set t = row.token %}
<tr {% if row.state != 'active' %}style="opacity:0.55;"{% endif %}>
<td>
<div style="font-weight:600;">{{ t.name }}</div>
<div style="font-family:ui-monospace,monospace;font-size:0.75rem;color:var(--text-muted);">{{ t.prefix }}…</div>
</td>
<td><span class="badge badge-dim">{{ t.role.value }}</span></td>
<td style="white-space:nowrap;">{{ t.created_at.strftime("%Y-%m-%d") }}</td>
<td style="white-space:nowrap;">
{% if t.last_used_at %}{{ t.last_used_at.strftime("%Y-%m-%d %H:%M") }} UTC{% else %}<span style="color:var(--text-muted);">Never</span>{% endif %}
</td>
<td style="white-space:nowrap;">
{% if row.state == 'revoked' %}<span class="badge badge-red">Revoked</span>
{% elif row.state == 'expired' %}<span class="badge badge-red">Expired</span>
{% elif t.expires_at %}{{ t.expires_at.strftime("%Y-%m-%d") }}
{% else %}<span style="color:var(--text-muted);">Never</span>{% endif %}
</td>
<td class="td-actions">
{% if row.state == 'active' %}
<form method="post" action="/ai-access/tokens/{{ t.id }}/revoke" style="margin:0;"
onsubmit='return confirm({{ ("Revoke “" ~ t.name ~ "”? Any client using it stops working immediately.")|tojson }})'>
<button type="submit" class="btn btn-danger btn-sm">Revoke</button>
</form>
{% endif %}
</td>
</tr>
{% endfor %}
</tbody>
</table>
</div>
{% else %}
<div class="card empty">
You have no tokens yet. Create one on the right, then paste it into your AI client.
</div>
{% endif %}
</div>
<div>
<div class="section-title" style="margin-bottom:0.75rem;">Create a token</div>
<div class="card" style="margin-bottom:0;">
<form method="post" action="/ai-access/tokens">
<div class="form-group">
<label for="tok-name">Name</label>
<input type="text" id="tok-name" name="name" required maxlength="128"
placeholder="e.g. Claude Code on my laptop">
</div>
<div class="form-group">
<label for="tok-role">Role</label>
<select id="tok-role" name="role">
{% for r in grantable %}
<option value="{{ r.value }}" {% if loop.first %}selected{% endif %}>{{ r.value|capitalize }}</option>
{% endfor %}
</select>
<div style="font-size:0.78rem;color:var(--text-muted);margin-top:0.4rem;line-height:1.5;">
{% for r in grantable %}
<div><strong style="color:var(--text);">{{ r.value|capitalize }}:</strong> {{ role_help[r.value] }}</div>
{% endfor %}
</div>
</div>
<div class="form-group">
<label for="tok-exp">Expires after</label>
<select id="tok-exp" name="expires_in_days">
{% for value, label in expiry_choices %}
<option value="{{ value }}">{{ label }}</option>
{% endfor %}
</select>
</div>
<button type="submit" class="btn">Create token</button>
</form>
</div>
<div style="font-size:0.78rem;color:var(--text-muted);margin-top:0.75rem;line-height:1.5;">
The token is shown <strong>once</strong>. A token never acts above your own role
({{ user_role.value }}), even if your role is lowered later.
</div>
</div>
</div>
{% endblock %}
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@@ -313,6 +313,7 @@ body.dash-editing .widget-drawer { transform:translateY(0); }
<div class="nav-group">
<div class="nav-group-label">Automation</div>
<a href="/ansible/" {% if _p.startswith('/ansible') %}class="active" aria-current="page"{% endif %}>Ansible</a>
<a href="/ai-access/" {% if _p.startswith('/ai-access') %}class="active" aria-current="page"{% endif %}>AI access</a>
</div>
{% if session.user_role == 'admin' %}
<div class="nav-group">