diff --git a/docs/TRANSCRIPTS.md b/docs/TRANSCRIPTS.md
index 6de247d0..52984350 100644
--- a/docs/TRANSCRIPTS.md
+++ b/docs/TRANSCRIPTS.md
@@ -202,8 +202,7 @@ The file is parsed with `withTurns: true` by the provider's parser
 (`usage-index.mjs:1518-1545`) with the same fields the Sessions view rows
 carry — `prompts`, `responses`, `exceptions`, `sidechain`, `threadSource`,
 `models`, `tools`, `skill`/`plugin`, worktree — plus a `cost` priced from the
-same per-model usage rows `aggregate()` uses (the header used to render a
-hardcoded `$0.00`; the comment at the site records why).
+same per-model usage rows `aggregate()` uses.
 
 ### 4.3 Mask, then truncate — both marked, differently
 
@@ -363,6 +362,11 @@ was wrong before, for the curious.
 - **Session expander fields shipped but unrendered.** The per-session fields
   §6.1's expander now renders (classification `basis` + confidence, the
   token split, flags) once travelled on the wire and rendered nowhere.
+- **Transcript header once showed a hardcoded `$0.00`.** `readSession`'s
+  assembled `meta` left `cost` undefined, and `fmtUsd(undefined)` renders the
+  truthy string `"$0.00"` — a fixed-looking zero on a panel whose whole
+  subject is cost. `meta.cost` is now priced via `sessionCost()` from the
+  same per-model usage rows `aggregate()` uses (`usage-index.mjs:1538-1542`).
 - **Aggregate-side incidents** (the v4/v5 cache bumps, the Codex parsing
   defects) are recorded in `USAGE-SCORECARD-METRICS.md` Appendix A.
 
diff --git a/src/lib/dashboard-server.mjs b/src/lib/dashboard-server.mjs
index d29f9ba2..982f7f4a 100644
--- a/src/lib/dashboard-server.mjs
+++ b/src/lib/dashboard-server.mjs
@@ -687,7 +687,13 @@ export function startDashboard({
   const usageApi = usage || lazyUsage();
   // Injectable like `usage`: tests must never spawn a real codex or read the
   // real ~/.config through this route. Lazy for the same reason lazyUsage is.
-  const provideLimits = limits || (async () => (await import('./quota.mjs')).readLimits());
+  // enabledHosts drives quota.mjs's F-10 labeling (any OTHER enabled host with
+  // no sanctioned quota channel) from the same kit.json read used elsewhere in
+  // this file (see loadKitConfig() below) — never a second, ad hoc source.
+  const provideLimits = limits || (async () => {
+    const { readLimits } = await import('./quota.mjs');
+    return readLimits({ enabledHosts: loadKitConfig().integrations.hosts });
+  });
   const provideLive = typeof live === 'function' ? live : live ? async () => live : lazyLive(liveOptions);
   // Same injection contract as `live`: a function is called to produce the
   // collector, a value is reused verbatim (tests hand over a fake so the route
diff --git a/src/lib/quota.mjs b/src/lib/quota.mjs
index 0ef294a9..54e4e6e5 100644
--- a/src/lib/quota.mjs
+++ b/src/lib/quota.mjs
@@ -18,6 +18,12 @@
 // server-enforced), no Keychain/credentials reads, no chatgpt.com backend
 // endpoints (private; requires bearer-token handling ak must not do).
 //
+// Labeling policy (F-10): any OTHER registry-managed host (adapters/
+// registries.mjs) that the caller reports enabled gets an explicit
+// `{ supported: false }` entry instead of being silently absent — this adds
+// no channel and performs no probe, it only says "no quota surface exists
+// for this host" so a user can tell that apart from "broken".
+//
 // Field-name trap, load-bearing: Codex's `primary`/`secondary` window fields do
 // NOT reliably mean "5-hour"/"weekly" — a live prolite account answered with
 // `primary.windowDurationMins = 10080` (the weekly) and `secondary = null`.
@@ -26,6 +32,7 @@ import fs from 'node:fs';
 import path from 'node:path';
 import { spawn } from 'node:child_process';
 import { configDir } from './paths.mjs';
+import { managedHostIds } from './adapters/registries.mjs';
 
 export const claudeLimitsFile = () => path.join(configDir(), 'claude-rate-limits.json');
 export const codexLimitsFile = () => path.join(configDir(), 'codex-rate-limits.json');
@@ -239,20 +246,45 @@ export async function collectCodexLimits({
   return fresh;
 }
 
+// ── Unsupported hosts (F-10 labeling policy) ────────────────────────────────
+
+/**
+ * Every OTHER registry-managed host (session-driving, per adapters/
+ * registries.mjs `managedHostIds()`) beyond the two ADR-0010-sanctioned
+ * channels, labeled `{ supported: false }` instead of left absent — IF the
+ * caller reports it enabled. A host the caller does not report as enabled is
+ * omitted entirely: a user who never turned it on should see nothing, not a
+ * label. Adds no channel; performs no probe. Pure.
+ *
+ * @param {{ enabledHosts?: Record<string, boolean> }} [o]
+ */
+export function unsupportedQuotaHosts({ enabledHosts = {} } = {}) {
+  return managedHostIds()
+    .filter((id) => id !== 'claude' && id !== 'codex' && enabledHosts[id] === true)
+    .map((provider) => ({ provider, supported: false, reason: 'no quota surface for this host' }));
+}
+
 // ── Combined read (the /api/limits payload) ─────────────────────────────────
 
 /**
  * Both providers, plus the freshness contract the UI renders: `fetchedAt` on
  * each side and `generatedAt` overall. Claude is a pure file read (push
- * model); Codex may spawn one vendor subprocess, TTL-bounded.
+ * model); Codex may spawn one vendor subprocess, TTL-bounded. `others` lists
+ * any additional enabled host with no sanctioned quota channel (F-10);
+ * omitting `enabledHosts` (the default) leaves it empty, so claude/codex
+ * output is unchanged unless a caller opts in.
  *
  * @param {{ now?: number, claudeFile?: string, codexCacheFile?: string, ttlMs?: number,
- *           timeoutMs?: number, spawnImpl?: any, bin?: string }} [o]
+ *           timeoutMs?: number, spawnImpl?: any, bin?: string,
+ *           enabledHosts?: Record<string, boolean> }} [o]
  */
-export async function readLimits({ now = Date.now(), claudeFile, codexCacheFile, ttlMs, timeoutMs, spawnImpl, bin } = {}) {
+export async function readLimits({
+  now = Date.now(), claudeFile, codexCacheFile, ttlMs, timeoutMs, spawnImpl, bin, enabledHosts,
+} = {}) {
   const claude = readClaudeLimits({ file: claudeFile ?? claudeLimitsFile() });
   const codex = await collectCodexLimits({
     ttlMs, cacheFile: codexCacheFile ?? codexLimitsFile(), now, timeoutMs, spawnImpl, bin,
   });
-  return { generatedAt: new Date(now).toISOString(), claude, codex };
+  const others = unsupportedQuotaHosts({ enabledHosts });
+  return { generatedAt: new Date(now).toISOString(), claude, codex, others };
 }
diff --git a/tests/kit/quota.test.mjs b/tests/kit/quota.test.mjs
index 9cea65cb..fdc4eba5 100644
--- a/tests/kit/quota.test.mjs
+++ b/tests/kit/quota.test.mjs
@@ -9,7 +9,7 @@ import path from 'node:path';
 import { EventEmitter } from 'node:events';
 import {
   windowLabel, normalizeClaudeLimits, normalizeCodexLimits, readClaudeLimits,
-  collectCodexLimits, CODEX_TTL_MS,
+  collectCodexLimits, CODEX_TTL_MS, unsupportedQuotaHosts, readLimits,
 } from '../../src/lib/quota.mjs';
 
 const tmp = () => fs.mkdtempSync(path.join(os.tmpdir(), 'ak-quota-'));
@@ -192,3 +192,59 @@ test('collectCodexLimits returns null when there has never been an answer', asyn
   const out = await collectCodexLimits({ cacheFile: path.join(tmp(), 'none.json'), spawnImpl: failSpawn });
   assert.equal(out, null);
 });
+
+// ── unsupportedQuotaHosts — F-10: label absence instead of leaving it silent ─
+//
+// ADR-0010 sanctions exactly two channels (claude's statusline tee, codex's
+// app-server). This does not add a third — it never probes anything — it only
+// says so, for any OTHER registry-managed host the caller reports enabled.
+
+test('unsupportedQuotaHosts labels an enabled managed host with no channel', () => {
+  const out = unsupportedQuotaHosts({ enabledHosts: { opencode: true } });
+  assert.deepEqual(out, [
+    { provider: 'opencode', supported: false, reason: 'no quota surface for this host' },
+  ]);
+});
+
+test('unsupportedQuotaHosts omits a host the caller has not enabled', () => {
+  assert.deepEqual(unsupportedQuotaHosts(), []);
+  assert.deepEqual(unsupportedQuotaHosts({ enabledHosts: {} }), []);
+  assert.deepEqual(unsupportedQuotaHosts({ enabledHosts: { opencode: false } }), []);
+});
+
+test('unsupportedQuotaHosts never labels the two sanctioned channels', () => {
+  const out = unsupportedQuotaHosts({ enabledHosts: { claude: true, codex: true, opencode: true } });
+  assert.deepEqual(out.map((h) => h.provider), ['opencode']);
+});
+
+// ── readLimits — the combined /api/limits payload ───────────────────────────
+
+test('readLimits: claude/codex outputs are byte-identical whether or not others are reported', async () => {
+  const dir = tmp();
+  const claudeFile = path.join(dir, 'claude-rate-limits.json');
+  fs.writeFileSync(claudeFile, JSON.stringify(CLAUDE_TEE));
+  const codexCacheFile = path.join(dir, 'codex-rate-limits.json');
+
+  const withoutOthers = await readLimits({
+    now: 1000, claudeFile, codexCacheFile, spawnImpl: fakeSpawn(CODEX_RESP),
+  });
+  const withOthers = await readLimits({
+    now: 1000, claudeFile, codexCacheFile: path.join(dir, 'codex-rate-limits-2.json'),
+    spawnImpl: fakeSpawn(CODEX_RESP), enabledHosts: { claude: true, codex: true, opencode: true },
+  });
+
+  assert.deepEqual(withOthers.claude, withoutOthers.claude);
+  assert.deepEqual(withOthers.codex, withoutOthers.codex);
+  assert.deepEqual(withoutOthers.others, []);
+  assert.deepEqual(withOthers.others, [
+    { provider: 'opencode', supported: false, reason: 'no quota surface for this host' },
+  ]);
+});
+
+test('readLimits defaults to no unsupported-host labels when enabledHosts is not passed', async () => {
+  const out = await readLimits({
+    now: 1000, claudeFile: path.join(tmp(), 'absent.json'),
+    codexCacheFile: path.join(tmp(), 'codex.json'), spawnImpl: failSpawn,
+  });
+  assert.deepEqual(out.others, []);
+});