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Merged
kulvirgit merged 1 commit into from
Mar 4, 2026
Merged

feat: two-tier telemetry and slash command tracking #34

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40 changes: 38 additions & 2 deletions packages/altimate-code/src/bridge/client.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ import { existsSync } from "fs"
import path from "path"
import { ensureEngine, enginePythonPath } from "./engine"
import type { BridgeMethod, BridgeMethods } from "./protocol"
import { Telemetry } from "@/telemetry"

/** Resolve the Python interpreter to use for the engine sidecar.
* Exported for testing — not part of the public API. */
Expand Down Expand Up @@ -48,20 +49,55 @@ export namespace Bridge {
method: M,
params: (typeof BridgeMethods)[M] extends { params: infer P } ? P : never,
): Promise<(typeof BridgeMethods)[M] extends { result: infer R } ? R : never> {
const startTime = Date.now()
if (!child || child.exitCode !== null) {
if (restartCount >= MAX_RESTARTS) throw new Error("Python bridge failed after max restarts")
await start()
}
const id = ++requestId
const request = JSON.stringify({ jsonrpc: "2.0", method, params, id })
return new Promise((resolve, reject) => {
pending.set(id, { resolve, reject })
pending.set(id, {
resolve: (value: any) => {
Telemetry.track({
type: "bridge_call",
timestamp: Date.now(),
session_id: Telemetry.getContext().sessionId,
method,
status: "success",
duration_ms: Date.now() - startTime,
})
resolve(value)
},
reject: (reason: any) => {
Telemetry.track({
type: "bridge_call",
timestamp: Date.now(),
session_id: Telemetry.getContext().sessionId,
method,
status: "error",
duration_ms: Date.now() - startTime,
error: String(reason).slice(0, 500),
})
reject(reason)
},
})
child!.stdin!.write(request + "\n")

setTimeout(() => {
if (pending.has(id)) {
pending.delete(id)
reject(new Error(`Bridge timeout: ${method} (${CALL_TIMEOUT_MS}ms)`))
const error = new Error(`Bridge timeout: ${method} (${CALL_TIMEOUT_MS}ms)`)
Telemetry.track({
type: "bridge_call",
timestamp: Date.now(),
session_id: Telemetry.getContext().sessionId,
method,
status: "error",
duration_ms: Date.now() - startTime,
error: error.message,
})
reject(error)
}
}, CALL_TIMEOUT_MS)
})
Expand Down
59 changes: 57 additions & 2 deletions packages/altimate-code/src/session/processor.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@ import { Config } from "@/config/config"
import { SessionCompaction } from "./compaction"
import { PermissionNext } from "@/permission/next"
import { Question } from "@/question"
import { Telemetry } from "@/telemetry"

export namespace SessionProcessor {
const DOOM_LOOP_THRESHOLD = 3
Expand All @@ -34,11 +35,16 @@ export namespace SessionProcessor {
let blocked = false
let attempt = 0
let needsCompaction = false
let stepStartTime = Date.now()
let toolCallCounter = 0

const result = {
get message() {
return input.assistantMessage
},
get toolCallCount() {
return toolCallCounter
},
partFromToolCall(toolCallID: string) {
return toolcalls[toolCallID]
},
Expand Down Expand Up @@ -195,7 +201,17 @@ export namespace SessionProcessor {
attachments: value.output.attachments,
},
})

toolCallCounter++
Telemetry.track({
type: "tool_call",
timestamp: Date.now(),
session_id: input.sessionID,
message_id: input.assistantMessage.id,
tool_name: match.tool,
tool_type: match.tool.startsWith("mcp__") ? "mcp" : "standard",
status: "success",
duration_ms: Date.now() - match.state.time.start,
})
delete toolcalls[value.toolCallId]
}
break
Expand All @@ -216,7 +232,18 @@ export namespace SessionProcessor {
},
},
})

toolCallCounter++
Telemetry.track({
type: "tool_call",
timestamp: Date.now(),
session_id: input.sessionID,
message_id: input.assistantMessage.id,
tool_name: match.tool,
tool_type: match.tool.startsWith("mcp__") ? "mcp" : "standard",
status: "error",
duration_ms: Date.now() - match.state.time.start,
error: (value.error as any).toString().slice(0, 500),
})
if (
value.error instanceof PermissionNext.RejectedError ||
value.error instanceof Question.RejectedError
Expand All @@ -231,6 +258,7 @@ export namespace SessionProcessor {
throw value.error

case "start-step":
stepStartTime = Date.now()
snapshot = await Snapshot.track()
await Session.updatePart({
id: Identifier.ascending("part"),
Expand Down Expand Up @@ -261,6 +289,25 @@ export namespace SessionProcessor {
cost: usage.cost,
})
await Session.updateMessage(input.assistantMessage)
Telemetry.track({
type: "generation",
timestamp: Date.now(),
session_id: input.sessionID,
message_id: input.assistantMessage.id,
model_id: input.model.id,
provider_id: input.model.providerID,
agent: input.assistantMessage.agent ?? "",
finish_reason: value.finishReason,
tokens: {
input: usage.tokens.input,
output: usage.tokens.output,
reasoning: usage.tokens.reasoning,
cache_read: usage.tokens.cache.read,
cache_write: usage.tokens.cache.write,
},
cost: usage.cost,
duration_ms: Date.now() - stepStartTime,
})
if (snapshot) {
const patch = await Snapshot.patch(snapshot)
if (patch.files.length) {
Expand Down Expand Up @@ -352,6 +399,14 @@ export namespace SessionProcessor {
error: e,
stack: JSON.stringify(e.stack),
})
Telemetry.track({
type: "error",
timestamp: Date.now(),
session_id: input.sessionID,
error_name: e?.name ?? "UnknownError",
error_message: (e?.message ?? String(e)).slice(0, 1000),
context: "processor",
})
const error = MessageV2.fromError(e, { providerID: input.model.providerID })
if (MessageV2.ContextOverflowError.isInstance(error)) {
// TODO: Handle context overflow error
Expand Down
45 changes: 45 additions & 0 deletions packages/altimate-code/src/session/prompt.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,7 @@ import { LLM } from "./llm"
import { iife } from "@/util/iife"
import { Shell } from "@/shell/shell"
import { Truncate } from "@/tool/truncation"
import { Telemetry } from "@/telemetry"

// @ts-ignore
globalThis.AI_SDK_LOG_WARNINGS = false
Expand Down Expand Up @@ -290,7 +291,14 @@ export namespace SessionPrompt {
let structuredOutput: unknown | undefined

let step = 0
const sessionStartTime = Date.now()
let sessionTotalCost = 0
let sessionTotalTokens = 0
let toolCallCount = 0
const session = await Session.get(sessionID)
await Telemetry.init()
Telemetry.setContext({ sessionId: sessionID, projectId: Instance.project?.id ?? "" })
try {
while (true) {
SessionStatus.set(sessionID, { type: "busy" })
log.info("loop", { step, sessionID })
Expand Down Expand Up @@ -624,6 +632,15 @@ export namespace SessionPrompt {
sessionID: sessionID,
messageID: lastUser.id,
})
Telemetry.track({
type: "session_start",
timestamp: Date.now(),
session_id: sessionID,
model_id: model.id,
provider_id: model.providerID,
agent: lastUser.agent,
project_id: Instance.project?.id ?? "",
})
}

// Ephemerally wrap queued user messages with a reminder to stay on track
Expand Down Expand Up @@ -680,6 +697,13 @@ export namespace SessionPrompt {
toolChoice: format.type === "json_schema" ? "required" : undefined,
})

sessionTotalCost += processor.message.cost
sessionTotalTokens +=
(processor.message.tokens?.input ?? 0) +
(processor.message.tokens?.output ?? 0) +
(processor.message.tokens?.reasoning ?? 0)
toolCallCount += processor.toolCallCount

// If structured output was captured, save it and exit immediately
// This takes priority because the StructuredOutput tool was called successfully
if (structuredOutput !== undefined) {
Expand Down Expand Up @@ -716,6 +740,18 @@ export namespace SessionPrompt {
continue
}
SessionCompaction.prune({ sessionID })
} finally {
Telemetry.track({
type: "session_end",
timestamp: Date.now(),
session_id: sessionID,
total_cost: sessionTotalCost,
total_tokens: sessionTotalTokens,
tool_call_count: toolCallCount,
duration_ms: Date.now() - sessionStartTime,
})
await Telemetry.shutdown()
}
for await (const item of MessageV2.stream(sessionID)) {
if (item.info.role === "user") continue
const queued = state()[sessionID]?.callbacks ?? []
Expand Down Expand Up @@ -1886,6 +1922,15 @@ NOTE: At any point in time through this workflow you should feel free to ask the
messageID: result.info.id,
})

Telemetry.track({
type: "command",
timestamp: Date.now(),
session_id: input.sessionID,
command_name: input.command,
command_source: command.source ?? "unknown",
message_id: result.info.id,
})

return result
}

Expand Down
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