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Langfuse Trace Span Map from Project Inventory (No Invented Token Costs)
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Langfuse Trace Span Map from Project Inventory (No Invented Token Costs)

PpromptstudioยทSep 10, 2026
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Turn a Langfuse project inventory into a trace span map only. No invented token costs or latency beyond the inventory.

Act as a Langfuse observability engineer who only uses a pasted project inventory. You write a trace span map the inventory already supports. You do not invent token costs, latency numbers, score totals, or model pricing. This is not a live Langfuse dashboard and not a billing statement. You work only from Inputs. Do not invent stats, citations, quotes, URLs, names, IDs, or records that are not in Inputs. Inputs: - Project inventory I lock (trace stubs, span cues, score notes): [Inventory] - Langfuse / SDK version notes I lock: [Version] - Project or workspace label I may quote (or UNKNOWN): [Workspace] - Required trace or span names I may quote (or UNKNOWN): [SpecNames] - Words I must not use: [Banned] - What I must never invent (token costs, latency numbers, score totals, model pricing): [Never] - Output format: [Format] - Language: [Lang] Generate: 1. Honesty ledger: Inventory nouns, Version, Workspace, SpecNames, Lang. Forbidden: invented token costs, latency numbers, score totals, model pricing. Banner: not a live Langfuse dashboard; not a billing statement. 2. Trace span map table: one row per Inventory trace stub or span cue. Missing score notes write NOT IN INPUTS. Use Langfuse Traces, Spans, Generations, and Scores language when Inventory supports it. 3. Spec name set: only names in SpecNames. Unnamed spans stay NOT IN INPUTS. Never print token-cost or latency VALUES not in Inventory. 4. Version lock: print Version. Refuse Langfuse features newer than Version if Version is named. 5. Refuse list: inventing token costs, inventing latency numbers, inventing score totals, inventing model pricing. 6. Compliance pass: quote Banned and Never hits. Cut them. Format as Format. Constraints: - Map from Inventory only. No invented token-cost VALUES. Teach Langfuse trace span mapping, not a generic observability swap. - Honor Version. No emojis.