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+# New Markdown Ingestion
+
+Use this guide when a new Markdown file appears and should be considered for the knowledge base.
+
+## Three-step decision
+
+### 1. Classify
+
+Classify the file as one of:
+- `knowledge`
+- `paper`
+- `experiment`
+- `result`
+- `writing`
+- `daily`
+
+### 2. Decide: durable note or raw material
+
+Treat it as a **durable note** only if it is already:
+- complete enough to stand on its own,
+- stable in scope,
+- likely to be referenced later.
+
+Otherwise treat it as **raw material**.
+
+### 3. Choose the action
+
+Choose one of these:
+
+- **promote**
+  - use only when the file is already a stable, complete, long-lived note
+- **merge**
+  - use when it supplements an existing canonical note for the same object
+- **stage-to-daily**
+  - use when it is still unstable, incomplete, or not worth promoting yet
+
+Default answer: **summarize first, then route**.
+
+## Examples
+
+### New paper summary
+
+- likely classification: `paper`
+- if complete and stable -> promote to `Papers/`
+- if partial reading notes for an existing paper note -> merge
+
+### New experiment plan
+
+- likely classification: `experiment`
+- if it defines a distinct experiment line -> promote to `Experiments/`
+- if it refines an existing experiment -> merge into that note
+
+### New result memo
+
+- likely classification: `result`
+- if it contains a durable conclusion with evidence -> promote to `Results/`
+- if it is a full internal experiment summary report -> promote to `Results/Reports/` using the stable naming contract
+- if it is still exploratory -> stage in `Daily/` or merge into the existing experiment note first
+
+### New meeting note
+
+- likely classification: `daily`
+- default -> stage in `Daily/`
+- promote only if the meeting produced a stable decision that belongs in `Knowledge/`, `Experiments/`, or `Writing/`
+
+### New scratch idea
+
+- likely classification: `daily` or `knowledge`
+- default -> stage in `Daily/`
+- promote later only if it becomes a stable research question, method direction, or experiment plan
+
+
+### Cross-stage routing hint
+
+When a new file is about papers, experiments, results, or writing, do not stop at file classification alone. Also ask whether it clearly implies the next durable handoff:
+
+- paper note -> should an experiment note be updated?
+- experiment note -> is there already a stable finding that belongs in `Results/`?
+- result memo -> does a writing note need an update?
+
+If that next handoff is already clear, prefer updating the downstream canonical note in the same turn.