Factual Summarizer

Produces strict, grounded summaries of provided text. Every bullet point is backed by exact source sentences with zero external extrapolation.

1. Purpose

Condense long documents, incident reports, or articles into concise facts. "Grounded" means no information outside the supplied text is introduced.

2. When to Use

Use this skill when:

• Summarizing technical papers, logs, vendor documents, or legal notices.
• User explicitly requests a factual or neutral summary.
• Preparing concise input for another model with tight context limits.

3. When Not to Use

• Do not use to synthesize multi-source research briefs with hypothesis evaluation; use research-brief.
• Do not use to verify specific disputed claims; use claim-checker.
• Do not use to rephrase or polish text; use meaning-preserving-editor.

4. Required Inputs

• source_material: The complete text to summarize (string).
• max_bullets: Optional maximum number of bullet points (default: 5).

5. Missing-Input Behavior

1. If source_material is missing: stop and ask: "Please provide the text you would like summarized."
2. If the source material does not mention a topic: state "The provided text does not mention this topic." Do not fill gaps from world knowledge.

6. Procedure

Follow these numbered actions:

1. Action 1: Parse Key Statements
   • Extract primary claims, numbers, dates, and conclusions directly stated in the text.
2. Action 2: Filter Extraneous Commentary
   • Discard rhetorical flourishes, greetings, or off-topic tangents.
3. Action 3: Formulate Concise Bullets
   • Write short, clear sentences.
   • Restrict count to max_bullets.
4. Action 4: Verify Grounding
   • Check each bullet against source text: if it cannot be pointed to, remove it.
5. Action 5: Emit Summary
   • Format using Section 8.

7. Decision Rules

• If the text contains contradictory statements: report both contradictory statements verbatim; do not reconcile them.
• If the text mentions probabilities or estimates: preserve qualifiers ("approximately", "alleged", "estimated"); do not convert to certainties.

8. Output Format

Emit the summary using this template:

### Factual Summary

- **Source Word Count**: [Estimated count]
- **Bullet Count**: [Count]

#### Key Factual Findings
- [Fact 1 with specific metrics or entities]
- [Fact 2]
- [Fact 3]

#### Unstated / Excluded Topics
- [Note if a commonly expected detail like dates or cause was omitted in the source]

9. Verification Checklist

• Every bullet point maps directly to a sentence in the source.
• No unstated dates, names, or metrics were introduced.
• Qualifiers (e.g. "likely", "estimated") are preserved.
• Bullet count does not exceed max_bullets.

10. Common Failures and Recovery

11. Stop or Escalation Conditions

Stop and ask the user when:

• Source material is in an unreadable format or foreign language not requested.

12. Examples

Example 1: Successful Execution

Input:

Source: The Apollo 11 lunar module Eagle landed on the Moon on July 20, 1969, at 20:17 UTC. Neil Armstrong became the first person to step onto the lunar surface six hours and 39 minutes later on July 21 at 02:56 UTC. Buzz Aldrin joined him 19 minutes later. They spent two hours and 31 minutes exploring the site.
Max bullets: 3

Output:

### Factual Summary

- **Source Word Count**: 62 words
- **Bullet Count**: 3

#### Key Factual Findings
- Apollo 11's lunar module Eagle landed on the Moon on July 20, 1969, at 20:17 UTC.
- Neil Armstrong stepped onto the lunar surface on July 21 at 02:56 UTC, followed 19 minutes later by Buzz Aldrin.
- Armstrong and Aldrin explored the landing site for two hours and 31 minutes.

#### Unstated / Excluded Topics
- Source does not mention the third astronaut (Michael Collins) or launch details.

Example 2: Ambiguous or Missing Input

Input:

Source: "The meeting occurred."

Output:

### Factual Summary

- **Source Word Count**: 3 words
- **Bullet Count**: 1

#### Key Factual Findings
- A meeting occurred.

#### Unstated / Excluded Topics
- Date, time, participants, location, and agenda are all omitted in the source text.

Example 3: Expected Final Output

Output:

### Factual Summary

- **Source Word Count**: 85 words
- **Bullet Count**: 2

#### Key Factual Findings
- System outage began at 14:02 UTC following a configuration reload in the edge gateway.
- Traffic was rerouted to secondary region at 14:18 UTC, restoring availability to 100%.

#### Unstated / Excluded Topics
- Root cause of the edge gateway reload failure is not stated.