Release v1.26.0: Add deep-research skill

deep-research/references/completeness_review_checklist.md

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+# Completeness Review Checklist
+
+Verify the draft meets all requirements before delivery.
+
+## Structure and Format
+- All required sections present and ordered
+- Headings match the format contract
+- Length targets met per section
+
+## Evidence and Citations
+- Every claim has a citation
+- Every numeric claim has at least one Tier A or B source
+- Conflicting sources are explicitly noted
+- Evidence table maps claims to sources
+
+## Content Quality
+- Findings answer the research questions
+- Recommendations are tied to evidence
+- Limitations and uncertainty are documented
+- Terminology is consistent
+
+## Final Checks
+- Dates and time ranges are consistent
+- No unsupported claims
+- No duplicate or conflicting statements

deep-research/references/formatting_rules.md

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+# Formatting Rules
+
+Use these rules to enforce strict report formatting.
+
+## Headings
+- Use H2 for top-level sections
+- Use H3 for subsections
+- Keep heading titles consistent with the report spec
+
+## Section Order
+- Follow the report spec order exactly
+- Do not add or remove sections without approval
+
+## Bullets and Tables
+- Use bullets for lists of findings and actions
+- Use tables for comparisons, metrics, or timelines
+- Keep tables compact and label all columns
+
+## Citations
+- Use the citation style defined in the report spec
+- Place citations immediately after the claim
+- If a claim has multiple sources, list all relevant sources
+
+## Terminology
+- Define key terms once and reuse consistently
+- Preserve technical terms in English
+
+## Formatting Hygiene
+- Avoid mixed numbering styles in the same section
+- Avoid inline URLs in prose unless the spec requires it
+- Do not embed new assets unless requested

deep-research/references/research_plan_checklist.md

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+# Research Plan Checklist
+
+Use this checklist before calling the deepresearch tool.
+
+## Scope and Questions
+- Define the primary research question
+- Break into 3-7 subquestions
+- Define scope boundaries and exclusions
+- Define time range and geography
+
+## Evidence Strategy
+- Identify primary sources needed
+- Identify secondary sources needed
+- Define inclusion and exclusion criteria
+- Define minimum number of sources per section
+
+## Query Set
+- Create query variants per subquestion
+- Include synonyms and alternate terms
+- Add disambiguating keywords
+
+## Query Log Template
+- Query:
+- Intended section:
+- Date run:
+- Notes:

deep-research/references/research_report_template.md

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+# Research Report Template
+
+## Title
+- Report title
+- Date
+- Author or team (optional)
+
+## Executive Summary
+- 3-6 bullets, each supported by evidence
+- Include top conclusions and implications
+
+## Research Question and Scope
+- Primary question
+- Scope boundaries (what is included and excluded)
+- Time range and geography
+
+## Methodology
+- Data sources used
+- Search strategy and inclusion criteria
+- Limitations and known gaps
+
+## Key Findings
+- 5-10 findings, each with citations
+
+## Analysis
+### Section 1: [Theme]
+- Structured paragraphs with citations
+- If comparative, include a table
+
+### Section 2: [Theme]
+- Structured paragraphs with citations
+
+### Section 3: [Theme]
+- Structured paragraphs with citations
+
+## Risks and Limitations
+- Data gaps
+- Conflicting sources
+- Uncertainty ranges
+
+## Recommendations (If requested)
+- Actionable recommendations tied to findings
+- Each recommendation cites evidence
+
+## Appendix A: Evidence Table
+- Table mapping claims to sources
+
+## Appendix B: Sources
+- Full citations or links

deep-research/references/source_quality_rubric.md

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+# Source Quality Rubric
+
+Classify sources into tiers and prioritize higher quality evidence.
+
+## Tier A (Highest)
+- Primary sources: government data, standards bodies, peer-reviewed papers
+- Official filings: annual reports, regulatory filings, audited statements
+- First-party datasets with transparent methodology
+
+## Tier B (Reliable)
+- Reputable news organizations with editorial standards
+- Industry analyst reports with clear methodology
+- Company technical blogs with data and disclosures
+
+## Tier C (Use Sparingly)
+- Opinion pieces without evidence
+- Marketing materials without verification
+- Aggregators without clear sourcing
+
+## Exclusion Rules
+- Exclude sources with no date or author
+- Exclude sources that cannot be verified
+- Exclude sources that are clearly outdated for the topic
+
+## Conflict Handling
+- Surface conflicting sources explicitly
+- Prefer higher tier sources
+- Note uncertainty when conflicts remain