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feat(llm): route adapters by provider

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This commit is contained in:
Yichen Jiang
2026-07-14 21:57:52 +08:00
parent a0359bc4a9
commit e547980d77
218 changed files with 2605 additions and 1844 deletions
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packages/core/session/tests/surface.spec.ts
+15 -15
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@@ -8,7 +8,7 @@ function surfaceSession(): Session {
const s = new Session(SessionId('ss'))
s.append('turn/start', { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } })
s.append('user/message', { content: [{ type: 'text', text: 'hello' }], source: { kind: 'user' } }, { surfaceOp: 'append' })
s.append('assistant/message', { turn: 1, step: 1, content: [{ type: 'text', text: 'hi' }] }, { surfaceOp: 'append' })
s.append('assistant/message', { provenance: { provider: 'mock', model: 'mock' }, turn: 1, step: 1, content: [{ type: 'text', text: 'hi' }] }, { surfaceOp: 'append' })
s.append('turn/end', { turn: 1, reason: { kind: 'completed' } })
return s
}
@@ -74,7 +74,7 @@ describe('SurfaceManager', () => {
// Surface nodes: seq 1 (user), seq 2 (assistant).
// Replace both with a compaction marker. Both 1 and 2 are valid surface seqs.
s.append('assistant/message',
{ turn: 2, step: 1, content: [{ type: 'text', text: 'summary' }] },
{ provenance: { provider: 'mock', model: 'mock' }, turn: 2, step: 1, content: [{ type: 'text', text: 'summary' }] },
{ surfaceOp: { op: 'replace', start: 1, end: 2 }, sourceEventSeqs: [1, 2] },
)
// Now the surface should have just the compaction node.
@@ -91,7 +91,7 @@ describe('SurfaceManager', () => {
s.append('user/message', { content: [{ type: 'text', text: 'c' }], source: { kind: 'user' } }, { surfaceOp: 'append' }) // seq 2
// Replace seq 0 through 1 inclusive: shadow a and b, keep c.
s.append('assistant/message',
{ turn: 1, step: 1, content: [{ type: 'text', text: 'summary' }] },
{ provenance: { provider: 'mock', model: 'mock' }, turn: 1, step: 1, content: [{ type: 'text', text: 'summary' }] },
{ surfaceOp: { op: 'replace', start: 0, end: 1 }, sourceEventSeqs: [0, 1] },
) // seq 3
expect(s.surface.nodes.map(n => n.seq)).toEqual([3, 2])
@@ -108,7 +108,7 @@ describe('SurfaceManager', () => {
s.append('user/message', { content: [{ type: 'text', text: 'b' }], source: { kind: 'user' } }, { surfaceOp: 'append' }) // seq 1
// Replace only seq 1 (single node).
s.append('assistant/message',
{ turn: 1, step: 1, content: [{ type: 'text', text: 'x' }] },
{ provenance: { provider: 'mock', model: 'mock' }, turn: 1, step: 1, content: [{ type: 'text', text: 'x' }] },
{ surfaceOp: { op: 'replace', start: 1, end: 1 }, sourceEventSeqs: [1] },
) // seq 2
expect(s.surface.nodes.map(n => n.seq)).toEqual([0, 2])
@@ -120,7 +120,7 @@ describe('SurfaceManager', () => {
const s = new Session(SessionId('bad-start'))
s.append('user/message', { content: [{ type: 'text', text: 'a' }], source: { kind: 'user' } }, { surfaceOp: 'append' }) // seq 0
s.append('assistant/message',
{ turn: 1, step: 1, content: [{ type: 'text', text: 'y' }] },
{ provenance: { provider: 'mock', model: 'mock' }, turn: 1, step: 1, content: [{ type: 'text', text: 'y' }] },
{ surfaceOp: { op: 'replace', start: 5, end: 0 }, sourceEventSeqs: [5, 0] },
)
expect(() => s.surface.nodes).toThrow(/surface replace: start seq 5 not found/)
@@ -130,7 +130,7 @@ describe('SurfaceManager', () => {
const s = new Session(SessionId('bad-end'))
s.append('user/message', { content: [{ type: 'text', text: 'a' }], source: { kind: 'user' } }, { surfaceOp: 'append' }) // seq 0
s.append('assistant/message',
{ turn: 1, step: 1, content: [{ type: 'text', text: 'y' }] },
{ provenance: { provider: 'mock', model: 'mock' }, turn: 1, step: 1, content: [{ type: 'text', text: 'y' }] },
{ surfaceOp: { op: 'replace', start: 0, end: 99 }, sourceEventSeqs: [0] },
)
expect(() => s.surface.nodes).toThrow(/surface replace: end seq 99 not found/)
@@ -142,7 +142,7 @@ describe('SurfaceManager', () => {
s.append('user/message', { content: [{ type: 'text', text: 'b' }], source: { kind: 'user' } }, { surfaceOp: 'append' }) // seq 1
// start=1, end=0 would be reversed order.
s.append('assistant/message',
{ turn: 1, step: 1, content: [{ type: 'text', text: 'y' }] },
{ provenance: { provider: 'mock', model: 'mock' }, turn: 1, step: 1, content: [{ type: 'text', text: 'y' }] },
{ surfaceOp: { op: 'replace', start: 1, end: 0 }, sourceEventSeqs: [1, 0] },
)
expect(() => s.surface.nodes).toThrow(/start seq 1.*after end seq 0/)
@@ -151,7 +151,7 @@ describe('SurfaceManager', () => {
it('sourceEventSeqs is snapshot so caller mutation does not affect logged event', () => {
const s = new Session(SessionId('immutable'))
const sources = [10, 20]
s.append('assistant/message', { turn: 1, step: 1, content: [{ type: 'text', text: 'h' }] }, { surfaceOp: 'append', sourceEventSeqs: sources })
s.append('assistant/message', { provenance: { provider: 'mock', model: 'mock' }, turn: 1, step: 1, content: [{ type: 'text', text: 'h' }] }, { surfaceOp: 'append', sourceEventSeqs: sources })
// Mutate caller's array after append.
sources.push(30)
sources[0] = 99
@@ -166,7 +166,7 @@ describe('SurfaceManager', () => {
s.append('user/message', { content: [{ type: 'text', text: 'c' }], source: { kind: 'user' } }, { surfaceOp: 'append' }) // seq 2
// Replace the middle node (seq 1) only, keeping seq 0 and seq 2.
s.append('assistant/message',
{ turn: 1, step: 1, content: [{ type: 'text', text: 'x' }] },
{ provenance: { provider: 'mock', model: 'mock' }, turn: 1, step: 1, content: [{ type: 'text', text: 'x' }] },
{ surfaceOp: { op: 'replace', start: 1, end: 1 }, sourceEventSeqs: [1] },
) // seq 3
expect(s.surface.nodes.map(n => n.seq)).toEqual([0, 3, 2])
@@ -183,7 +183,7 @@ describe('SurfaceManager', () => {
const s = new Session(SessionId('immutable-op'))
s.append('user/message', { content: [{ type: 'text', text: 'a' }], source: { kind: 'user' } }, { surfaceOp: 'append' })
const op = { op: 'replace' as const, start: 0, end: 0 }
s.append('assistant/message', { turn: 1, step: 1, content: [{ type: 'text', text: 's' }] }, { surfaceOp: op, sourceEventSeqs: [0] })
s.append('assistant/message', { provenance: { provider: 'mock', model: 'mock' }, turn: 1, step: 1, content: [{ type: 'text', text: 's' }] }, { surfaceOp: op, sourceEventSeqs: [0] })
// Mutate caller's object after append.
op.start = 99
const logged = s.events[1]! as SurfaceEvent
@@ -208,7 +208,7 @@ describe('deriveMessages with surface', () => {
s.append('assistant/chunk', { turn: 1, step: 1, chunk: { type: 'text-delta', index: 0, text: 'h' } })
s.append('assistant/chunk', { turn: 1, step: 1, chunk: { type: 'text-delta', index: 1, text: 'i' } })
s.append('user/message', { content: [{ type: 'text', text: 'hello' }], source: { kind: 'user' } }, { surfaceOp: 'append' })
s.append('assistant/message', { turn: 1, step: 1, content: [{ type: 'text', text: 'hi' }] }, { surfaceOp: 'append' })
s.append('assistant/message', { provenance: { provider: 'mock', model: 'mock' }, turn: 1, step: 1, content: [{ type: 'text', text: 'hi' }] }, { surfaceOp: 'append' })
s.append('turn/end', { turn: 1, reason: { kind: 'completed' } })
// Chunks and boundaries are NOT in the surface, so only 2 messages.
expect(s.deriveMessages()).toHaveLength(2)
@@ -217,7 +217,7 @@ describe('deriveMessages with surface', () => {
it('deriveMessages via surface respects replace (shadowed nodes are excluded)', () => {
const s = new Session(SessionId('compacted'))
s.append('user/message', { content: [{ type: 'text', text: 'original' }], source: { kind: 'user' } }, { surfaceOp: 'append' })
s.append('assistant/message', { turn: 1, step: 1, content: [{ type: 'text', text: 'compacted' }] }, { surfaceOp: { op: 'replace', start: 0, end: 0 }, sourceEventSeqs: [0] })
s.append('assistant/message', { provenance: { provider: 'mock', model: 'mock' }, turn: 1, step: 1, content: [{ type: 'text', text: 'compacted' }] }, { surfaceOp: { op: 'replace', start: 0, end: 0 }, sourceEventSeqs: [0] })
// Only the compaction node is visible.
const messages = s.deriveMessages()
expect(messages).toHaveLength(1)
@@ -239,7 +239,7 @@ describe('Session.append surface opts', () => {
it('records sourceEventSeqs and surfaceOp on the event', () => {
const s = new Session(SessionId('opts'))
const event = s.append('assistant/message',
{ turn: 1, step: 1, content: [{ type: 'text', text: 'h' }] },
{ provenance: { provider: 'mock', model: 'mock' }, turn: 1, step: 1, content: [{ type: 'text', text: 'h' }] },
{ surfaceOp: 'append', sourceEventSeqs: [3, 5, 7] },
)
expect(event.sourceEventSeqs).toEqual([3, 5, 7])
@@ -256,7 +256,7 @@ describe('Session.append surface opts', () => {
const seed: SessionEvent[] = [
{ type: 'turn/start', seq: 0, time: 1, data: { turn: 1, trigger: { kind: 'message', source: { kind: 'user' } } } },
{ type: 'step/start', seq: 1, time: 2, data: { turn: 1, step: 1 } },
{ type: 'assistant/message', seq: 2, time: 3, data: { turn: 1, step: 1, content: [] }, surfaceOp: 'append' },
{ type: 'assistant/message', seq: 2, time: 3, data: { turn: 1, step: 1, content: [], provenance: { provider: 'mock', model: 'mock' } }, surfaceOp: 'append' },
{ type: 'step/end', seq: 3, time: 4, data: { turn: 1, step: 1 } },
{ type: 'turn/end', seq: 4, time: 5, data: { turn: 1, reason: { kind: 'completed' } } },
]
@@ -274,7 +274,7 @@ describe('Session.append surface opts', () => {
it('surfaceOp primitives are not cloned (they are immutable)', () => {
const s = new Session(SessionId('prim'))
const event = s.append('assistant/message', { turn: 1, step: 1, content: [] }, { surfaceOp: 'append' })
const event = s.append('assistant/message', { provenance: { provider: 'mock', model: 'mock' }, turn: 1, step: 1, content: [] }, { surfaceOp: 'append' })
// The string 'append' is a primitive — identity-preserving is fine.
expect(event.surfaceOp).toBe('append')
})