File size: 9,271 Bytes
077865a
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
import { useState } from 'react'
import { useQuery, useMutation, useQueryClient } from '@tanstack/react-query'
import { ArrowDown, ArrowUp } from 'lucide-react'
import { apiFetch } from '@/lib/api'
import { Button } from '@/components/ui/button'
import { Switch } from '@/components/ui/switch'
import { PageHeader } from '@/components/page-header'
import { FloatingBar } from '@/components/floating-bar'
import { ModelsTabs } from '@/components/models-tabs'

interface ProviderEntry {
  id: number
  platform: string
  modelId: string
  displayName: string
  priority: number
  enabled: boolean
  quotaLabel: string
  keyCount: number
}

interface Family {
  family: string
  dimensions: number
  maxInputTokens: number | null
  isDefault: boolean
  providers: ProviderEntry[]
}

interface EmbeddingsData {
  defaultFamily: string
  families: Family[]
}

interface UsageData {
  families: { family: string; requestsToday: number; tokensMonth: number }[]
}

function formatTokens(n: number): string {
  if (n >= 1_000_000) return `${(n / 1_000_000).toFixed(1)}M`
  if (n >= 1_000) return `${(n / 1_000).toFixed(1)}K`
  return String(n)
}

export default function EmbeddingsPage() {
  const queryClient = useQueryClient()
  // Local unsaved edits, same pattern as the chat fallback page.
  const [localFamilies, setLocalFamilies] = useState<Family[] | null>(null)
  const [localDefault, setLocalDefault] = useState<string | null>(null)

  const { data, isLoading } = useQuery<EmbeddingsData>({
    queryKey: ['embeddings'],
    queryFn: () => apiFetch('/api/embeddings'),
  })

  const { data: usage } = useQuery<UsageData>({
    queryKey: ['embeddings', 'usage'],
    queryFn: () => apiFetch('/api/embeddings/usage'),
    refetchInterval: 30_000,
  })
  const usageByFamily = new Map((usage?.families ?? []).map(u => [u.family, u]))

  const saveMutation = useMutation({
    mutationFn: (body: { defaultFamily?: string; providers?: { id: number; priority: number; enabled: boolean }[] }) =>
      apiFetch('/api/embeddings', { method: 'PUT', body: JSON.stringify(body) }),
    onSuccess: () => {
      queryClient.invalidateQueries({ queryKey: ['embeddings'] })
      setLocalFamilies(null)
      setLocalDefault(null)
    },
  })

  const families = localFamilies ?? data?.families ?? []
  const defaultFamily = localDefault ?? data?.defaultFamily ?? ''
  const hasChanges = localFamilies !== null || localDefault !== null

  function updateProvider(familyName: string, id: number, patch: Partial<ProviderEntry>) {
    setLocalFamilies(families.map(f =>
      f.family === familyName
        ? { ...f, providers: f.providers.map(p => (p.id === id ? { ...p, ...patch } : p)) }
        : f,
    ))
  }

  function moveProvider(familyName: string, index: number, dir: -1 | 1) {
    setLocalFamilies(families.map(f => {
      if (f.family !== familyName) return f
      const list = [...f.providers]
      const j = index + dir
      if (j < 0 || j >= list.length) return f
      ;[list[index], list[j]] = [list[j], list[index]]
      return { ...f, providers: list.map((p, i) => ({ ...p, priority: i + 1 })) }
    }))
  }

  function handleSave() {
    saveMutation.mutate({
      ...(localDefault !== null ? { defaultFamily: localDefault } : {}),
      ...(localFamilies !== null
        ? { providers: families.flatMap(f => f.providers.map(p => ({ id: p.id, priority: p.priority, enabled: p.enabled }))) }
        : {}),
    })
  }

  function discard() {
    setLocalFamilies(null)
    setLocalDefault(null)
  }

  return (
    <div>
      <PageHeader
        title="Models"
        description="Embeddings fail over within a family only: the same model served by another provider. Vectors from different models are incompatible, so the router never swaps models on you."
        divider={false}
        actions={<ModelsTabs />}
      />

      <div className="space-y-6">
        <p className="text-xs text-muted-foreground">
          <code className="rounded-md bg-muted px-1.5 py-0.5 font-mono">model: "auto"</code> on{' '}
          <code className="rounded-md bg-muted px-1.5 py-0.5 font-mono">POST /v1/embeddings</code> routes to the
          default family. Naming a family (or a provider model id) pins that family; providers inside it are tried in order.
        </p>

        {isLoading ? (
          <p className="text-sm text-muted-foreground">Loading…</p>
        ) : (
          families.map(f => {
            const u = usageByFamily.get(f.family)
            const noKeys = f.providers.every(p => p.keyCount === 0)
            return (
              <section key={f.family} className={`rounded-3xl border bg-card p-5 ${noKeys ? 'opacity-60' : ''}`}>
                <div className="flex items-baseline justify-between gap-4 mb-3 flex-wrap">
                  <div className="flex items-baseline gap-2.5 min-w-0">
                    <h2 className="text-sm font-medium font-mono truncate">{f.family}</h2>
                    <span className="text-[10px] rounded-full px-1.5 py-0.5 bg-muted text-muted-foreground tabular-nums">
                      {f.dimensions}d
                    </span>
                    {f.maxInputTokens && (
                      <span className="text-[11px] text-muted-foreground/70 tabular-nums">
                        {formatTokens(f.maxInputTokens)} tok max
                      </span>
                    )}
                    {f.family === defaultFamily ? (
                      <span className="text-[10px] rounded-full px-1.5 py-0.5 bg-foreground text-background font-medium">
                        Default · auto
                      </span>
                    ) : (
                      <button
                        onClick={() => setLocalDefault(f.family)}
                        className="text-[11px] text-muted-foreground hover:text-foreground underline decoration-dotted underline-offset-2 transition-colors"
                      >
                        Make default
                      </button>
                    )}
                  </div>
                  <span className="text-xs text-muted-foreground tabular-nums">
                    {u ? <>{u.requestsToday} req today · {formatTokens(u.tokensMonth)} tok this month</> : '—'}
                  </span>
                </div>

                <div className="divide-y">
                  {f.providers.map((p, i) => (
                    <div key={p.id} className={`flex items-center gap-3 py-2 ${p.enabled ? '' : 'opacity-50'}`}>
                      <span className="w-5 text-center font-mono text-xs text-muted-foreground tabular-nums">{i + 1}</span>
                      <div className="min-w-0 flex-1">
                        <div className="flex items-center gap-2">
                          <span className="text-sm font-medium">{p.platform}</span>
                          <span className="truncate font-mono text-[11px] text-muted-foreground">{p.modelId}</span>
                          {p.keyCount === 0 && (
                            <span className="text-[10px] rounded-full px-1.5 py-0.5 bg-amber-600/15 text-amber-700 dark:bg-amber-400/15 dark:text-amber-400">
                              no key
                            </span>
                          )}
                        </div>
                        <div className="text-[11px] text-muted-foreground/70">{p.quotaLabel}</div>
                      </div>
                      {f.providers.length > 1 && (
                        <div className="flex gap-0.5">
                          <button
                            onClick={() => moveProvider(f.family, i, -1)}
                            disabled={i === 0}
                            aria-label="Move up"
                            className="rounded-md p-1 text-muted-foreground/60 hover:text-foreground disabled:opacity-25 transition-colors"
                          >
                            <ArrowUp className="size-3.5" />
                          </button>
                          <button
                            onClick={() => moveProvider(f.family, i, 1)}
                            disabled={i === f.providers.length - 1}
                            aria-label="Move down"
                            className="rounded-md p-1 text-muted-foreground/60 hover:text-foreground disabled:opacity-25 transition-colors"
                          >
                            <ArrowDown className="size-3.5" />
                          </button>
                        </div>
                      )}
                      <Switch
                        checked={p.enabled}
                        onCheckedChange={(c) => updateProvider(f.family, p.id, { enabled: c })}
                      />
                    </div>
                  ))}
                </div>
              </section>
            )
          })
        )}

        <FloatingBar show={hasChanges}>
          <span className="text-xs text-muted-foreground">Unsaved changes</span>
          <Button variant="outline" size="sm" onClick={discard}>Discard</Button>
          <Button size="sm" onClick={handleSave} disabled={saveMutation.isPending}>
            {saveMutation.isPending ? 'Saving…' : 'Save changes'}
          </Button>
        </FloatingBar>
      </div>
    </div>
  )
}