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@@ -660,8 +660,8 @@ describe('pressure measurement and retention', () => {
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role: 'system',
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content: [{ type: 'text', text: 'SYSTEM HEAD' }],
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})
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- expect(compact.calls[0]!.input.system).toBe('SYSTEM HEAD')
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- expect(summarizedText(compact.calls[0]!.input)).not.toContain('SYSTEM HEAD')
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+ expect(compact.calls[0]!.input.messages[0]).toEqual(session.deriveMessages()[0])
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+ expect(compact.calls[0]!.input.messages.filter(message => message.role === 'system')).toHaveLength(1)
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})
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it('declines when only the system head precedes the retained tail', () => {
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@@ -947,13 +947,11 @@ describe('compaction region transaction', () => {
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reason: 'resume',
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})
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const nodes = session.surface.nodes
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+ const prefix = session.deriveMessages().slice(0, 3)
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await compact.compactRegion(nodes[1]!, nodes[2]!, agent(session, MODEL), SIGNAL)
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const { input } = compact.calls[0]!
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- expect(input.system).toBe('CONVERSATION SYSTEM')
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- expect(input.tools).toEqual(tools)
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- expect(summarizedText(input)).toContain('fixture user 1')
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- expect(summarizedText(input)).not.toContain('CONVERSATION SYSTEM')
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+ expect(input).toEqual({ messages: prefix, tools })
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})
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it('omits the summarizer system prompt for an empty system head or a system-less surface', async () => {
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@@ -962,12 +960,14 @@ describe('compaction region transaction', () => {
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const emptyNodes = emptyHead.surface.nodes
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expect(emptyHead.eventAt(emptyNodes[0]!)?.type).toBe('system/message')
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await compact.compactRegion(emptyNodes[1]!, emptyNodes[2]!, agent(emptyHead, MODEL), SIGNAL)
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- expect(compact.calls[0]!.input).not.toHaveProperty('system')
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+ expect(compact.calls[0]!.input.messages[0]).toMatchObject({ role: 'user' })
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+ expect(compact.calls[0]!.input.messages.some(message => message.role === 'system')).toBe(false)
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+ expect(emptyHead.surface.nodes[0]).toBe(emptyNodes[0])
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const headless = conversation(3)
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const nodes = headless.surface.nodes
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await compact.compactRegion(nodes[0]!, nodes[1]!, agent(headless, MODEL), SIGNAL)
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- expect(compact.calls[1]!.input).not.toHaveProperty('system')
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+ expect(compact.calls[1]!.input.messages.some(message => message.role === 'system')).toBe(false)
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expect(compact.calls[1]!.input.messages[0]).toMatchObject({ role: 'user' })
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})
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@@ -1259,6 +1259,27 @@ async function summarizerHarness(
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}
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describe('default one-shot summarizer', () => {
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+ it.each([undefined, '', 'SYSTEM HEAD\n精确前缀\n'])('preserves the routed prefix through region summarization with system %j', async (system) => {
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+ const { adapter, compact } = await summarizerHarness([{ type: 'text', text: 'summary' }])
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+ const session = conversation(3, undefined, system)
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+ const tools = [{ name: 'do_thing', description: 'd', parameters: { type: 'object' } }]
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+ session.append('request/header', {
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+ header: { config: { provider: MODEL, model: MODEL }, tools },
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+ reason: 'resume',
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+ })
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+ const nodes = [...session.surface.nodes]
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+ const start = system === undefined ? 0 : 1
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+ const prefix = session.deriveMessages().slice(0, system ? 3 : 2)
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+ const result = await compact.compactRegion(nodes[start]!, nodes[start + 1]!, agent(session, MODEL), SIGNAL)
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+
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+ expect(adapter.lastOptions).not.toHaveProperty('system')
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+ expect(adapter.lastOptions?.tools).toEqual(tools)
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+ expect(adapter.lastOptions?.messages.slice(0, -1)).toEqual(prefix)
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+ expect(adapter.lastOptions?.messages.at(-1)).toMatchObject({ role: 'user' })
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+ expect(result.shadowedSeqs).toEqual(nodes.slice(start, start + 2))
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+ if (system !== undefined) expect(session.surface.nodes[0]).toBe(nodes[0])
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+ })
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+
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it('requires complete raw output when a subclass marks one local LLM stream call', () => {
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expectTypeOf<{
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summary: ContentBlock[]
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@@ -1327,16 +1348,16 @@ describe('default one-shot summarizer', () => {
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],
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source: { kind: 'plugin', plugin: 'test' },
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})
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+ const system = createSystemMessage('REPLAYED SYSTEM', SYSTEM_PROMPT_PLUGIN)
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await compact.runSummarize({
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- system: 'REPLAYED SYSTEM',
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tools,
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- messages: [prefix],
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+ messages: [system, prefix],
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}, agent(conversation(1), MODEL))
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- expect(adapter.lastOptions?.system).toBe('REPLAYED SYSTEM')
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+ expect(adapter.lastOptions).not.toHaveProperty('system')
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expect(adapter.lastOptions?.tools).toEqual(tools)
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const messages = adapter.lastOptions?.messages ?? []
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- expect(messages[0]).toEqual(prefix)
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+ expect(messages.slice(0, -1)).toEqual([system, prefix])
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const last = messages.at(-1)?.content[0]
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const lastText = last?.type === 'text' ? last.text : ''
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expect(lastText).toContain('Write concise English engineering prose.')
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@@ -1368,9 +1389,9 @@ describe('default one-shot summarizer', () => {
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source: { kind: 'plugin', plugin: 'test' },
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})
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+ const system = createSystemMessage('WARM SYSTEM', SYSTEM_PROMPT_PLUGIN)
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const output = await compact.runSummarize({
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- system: 'WARM SYSTEM',
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- messages: [prefix],
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+ messages: [system, prefix],
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}, agent(conversation(1), 'fallback'))
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expect(output).toMatchObject({
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@@ -1382,9 +1403,9 @@ describe('default one-shot summarizer', () => {
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provider: 'policy-summary',
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model: 'policy-summary',
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maxTokens: 222,
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- system: 'WARM SYSTEM',
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})
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- expect(policyAdapter.lastOptions?.messages[0]).toEqual(prefix)
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+ expect(policyAdapter.lastOptions).not.toHaveProperty('system')
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+ expect(policyAdapter.lastOptions?.messages.slice(0, -1)).toEqual([system, prefix])
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})
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it('resolves the latest routed provider/model before the AgentOptions pair', async () => {
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Tianyi Cui