diff --git a/web/src/stores/settings/fineTune.test.ts b/web/src/stores/settings/fineTune.test.ts
index 838a7e5..871e105 100644
--- a/web/src/stores/settings/fineTune.test.ts
+++ b/web/src/stores/settings/fineTune.test.ts
@@ -1,8 +1,11 @@
 import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest'
 import { setActivePinia, createPinia } from 'pinia'
 import { useFineTuneStore } from './fineTune'
+import type { DbPair } from './fineTune'
 
 vi.mock('../../composables/useApi', () => ({ useApiFetch: vi.fn() }))
+vi.mock('../appConfig', () => ({ useAppConfigStore: vi.fn(() => ({ isDemo: false })) }))
+vi.mock('../../composables/useToast', () => ({ showToast: vi.fn() }))
 import { useApiFetch } from '../../composables/useApi'
 const mockFetch = vi.mocked(useApiFetch)
 
@@ -36,4 +39,47 @@ describe('useFineTuneStore', () => {
     expect(mockFetch).toHaveBeenCalledWith('/api/settings/fine-tune/status')
     store.stopPolling()
   })
+
+  it('toggleOptIn updates optedIn state', async () => {
+    mockFetch.mockResolvedValue({ data: { ok: true, enabled: true }, error: null })
+    const store = useFineTuneStore()
+    await store.toggleOptIn(true)
+    expect(store.optedIn).toBe(true)
+  })
+
+  it('loadDbPairs no-ops when not opted in', async () => {
+    const store = useFineTuneStore()
+    store.optedIn = false
+    await store.loadDbPairs()
+    expect(store.dbPairs).toEqual([])
+    expect(mockFetch).not.toHaveBeenCalledWith('/api/settings/fine-tune/db-pairs')
+  })
+
+  it('loadDbPairs fetches when opted in', async () => {
+    const pairs: DbPair[] = [{ job_id: 1, title: 'Eng', company: 'Acme', status: 'applied', instruction: 'Write...', input_preview: 'Build', excluded: false }]
+    mockFetch.mockResolvedValue({ data: { pairs, total: 1, excluded_count: 0 }, error: null })
+    const store = useFineTuneStore()
+    store.optedIn = true
+    await store.loadDbPairs()
+    expect(store.dbPairs).toHaveLength(1)
+  })
+
+  it('excludeDbPair marks pair excluded and increments count', async () => {
+    mockFetch.mockResolvedValue({ data: { ok: true }, error: null })
+    const store = useFineTuneStore()
+    store.dbPairs = [{ job_id: 1, title: 'Eng', company: 'Acme', status: 'applied', instruction: 'Write...', input_preview: 'Build', excluded: false }]
+    await store.excludeDbPair(1)
+    expect(store.dbPairs[0].excluded).toBe(true)
+    expect(store.dbExcludedCount).toBe(1)
+  })
+
+  it('includeDbPair marks pair included and decrements excludedCount', async () => {
+    mockFetch.mockResolvedValue({ data: { ok: true }, error: null })
+    const store = useFineTuneStore()
+    store.dbPairs = [{ job_id: 1, title: 'Eng', company: 'Acme', status: 'applied', instruction: 'Write...', input_preview: 'Build', excluded: true }]
+    store.dbExcludedCount = 1
+    await store.includeDbPair(1)
+    expect(store.dbPairs[0].excluded).toBe(false)
+    expect(store.dbExcludedCount).toBe(0)
+  })
 })
diff --git a/web/src/stores/settings/fineTune.ts b/web/src/stores/settings/fineTune.ts
index c8df9d9..1120b6a 100644
--- a/web/src/stores/settings/fineTune.ts
+++ b/web/src/stores/settings/fineTune.ts
@@ -10,6 +10,16 @@ export interface TrainingPair {
   source_file: string
 }
 
+export interface DbPair {
+  job_id: number
+  title: string
+  company: string
+  status: string
+  instruction: string
+  input_preview: string
+  excluded: boolean
+}
+
 export const useFineTuneStore = defineStore('settings/fineTune', () => {
   const step = ref(1)
   const inFlightJob = ref(false)
@@ -22,6 +32,11 @@ export const useFineTuneStore = defineStore('settings/fineTune', () => {
   const pairsLoading = ref(false)
   let _pollTimer: ReturnType<typeof setInterval> | null = null
 
+  const optedIn = ref(false)
+  const dbPairs = ref<DbPair[]>([])
+  const dbPairsLoading = ref(false)
+  const dbExcludedCount = ref(0)
+
   function resetStep() { step.value = 1 }
 
   async function loadStatus() {
@@ -31,6 +46,7 @@ export const useFineTuneStore = defineStore('settings/fineTune', () => {
     pairsCount.value = data.pairs_count ?? 0
     quotaRemaining.value = data.quota_remaining ?? null
     inFlightJob.value = ['queued', 'running'].includes(data.status)
+    optedIn.value = (data as any).opted_in ?? false
   }
 
   function startPolling() {
@@ -68,6 +84,60 @@ export const useFineTuneStore = defineStore('settings/fineTune', () => {
     }
   }
 
+  async function toggleOptIn(enabled: boolean) {
+    const { data } = await useApiFetch<{ ok: boolean; enabled: boolean }>(
+      '/api/settings/fine-tune/opt-in',
+      { method: 'PATCH', body: JSON.stringify({ enabled }), headers: { 'Content-Type': 'application/json' } },
+    )
+    if (data) optedIn.value = data.enabled
+  }
+
+  async function loadDbPairs() {
+    if (!optedIn.value) { dbPairs.value = []; return }
+    dbPairsLoading.value = true
+    const { data } = await useApiFetch<{ pairs: DbPair[]; total: number; excluded_count: number }>(
+      '/api/settings/fine-tune/db-pairs',
+    )
+    dbPairsLoading.value = false
+    if (data) {
+      dbPairs.value = data.pairs
+      dbExcludedCount.value = data.excluded_count
+    }
+  }
+
+  async function excludeDbPair(jobId: number) {
+    const { data } = await useApiFetch<{ ok: boolean }>(
+      `/api/settings/fine-tune/db-pairs/${jobId}/exclude`,
+      { method: 'PATCH' },
+    )
+    if (data?.ok) {
+      dbPairs.value = dbPairs.value.map(p =>
+        p.job_id === jobId ? { ...p, excluded: true } : p,
+      )
+      dbExcludedCount.value += 1
+    }
+  }
+
+  async function includeDbPair(jobId: number) {
+    const { data } = await useApiFetch<{ ok: boolean }>(
+      `/api/settings/fine-tune/db-pairs/${jobId}/include`,
+      { method: 'PATCH' },
+    )
+    if (data?.ok) {
+      dbPairs.value = dbPairs.value.map(p =>
+        p.job_id === jobId ? { ...p, excluded: false } : p,
+      )
+      dbExcludedCount.value = Math.max(0, dbExcludedCount.value - 1)
+    }
+  }
+
+  function downloadExport() {
+    const a = document.createElement('a')
+    a.href = '/api/settings/fine-tune/export'
+    a.download = 'peregrine_training_pairs.jsonl'
+    a.click()
+  }
+
   return {
     step,
     inFlightJob,
@@ -85,5 +155,14 @@ export const useFineTuneStore = defineStore('settings/fineTune', () => {
     submitJob,
     loadPairs,
     deletePair,
+    optedIn,
+    dbPairs,
+    dbPairsLoading,
+    dbExcludedCount,
+    toggleOptIn,
+    loadDbPairs,
+    excludeDbPair,
+    includeDbPair,
+    downloadExport,
   }
 })