chore: add shared skills catalog (19 skills), installers, manifest, validator

skills/research-report/LICENSE

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+MIT License
+
+Copyright (c) 2026 Lan Zheng
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

skills/research-report/SKILL.md

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+---
+name: research-report
+description: Summarize deep research results into markdown report, cover all fields, skip uncertain values.
+user-invocable: true
+---
+
+# Research Report - Summary Report
+
+## Trigger
+`/research-report`
+
+## Workflow
+
+### Step 1: Locate Results Directory
+Find `*/outline.yaml` in current working directory, read topic and output_dir config.
+
+### Step 2: Scan Optional Summary Fields
+Read all JSON results, extract fields suitable for TOC display (numeric, short metrics), e.g.:
+- github_stars
+- google_scholar_cites
+- swe_bench_score
+- user_scale
+- valuation
+- release_date
+
+Use ask_user_question to ask user:
+- Which fields to display in TOC besides item name?
+- Provide dynamic options list (based on actual fields in JSON)
+
+### Step 3: Generate Python Conversion Script
+Generate `generate_report.py` in `{topic}/` directory, script requirements:
+- Read all JSON from output_dir
+- Read fields.yaml to get field structure
+- Cover all field values from each JSON
+- Skip fields with values containing [uncertain]
+- Skip fields listed in uncertain array
+- Generate markdown report format: Table of contents (with anchor links + user-selected summary fields) + Detailed content (by field category)
+- Save to `{topic}/report.md`
+
+**TOC Format Requirements**:
+- Must include every item
+- Each item displays: number, name (anchor link), user-selected summary fields
+- Example: `1. [GitHub Copilot](#github-copilot) - Stars: 10k | Score: 85%`
+
+#### Script Technical Requirements (Must Follow)
+
+**1. JSON Structure Compatibility**
+Support two JSON structures:
+- Flat structure: Fields directly at top level `{"name": "xxx", "release_date": "xxx"}`
+- Nested structure: Fields in category sub-dict `{"basic_info": {"name": "xxx"}, "technical_features": {...}}`
+
+Field lookup order: Top level -> category mapping key -> Traverse all nested dicts
+
+**2. Category Multi-language Mapping**
+fields.yaml category names and JSON keys can be any combination (CN-CN, CN-EN, EN-CN, EN-EN). Must establish bidirectional mapping:
+```python
+CATEGORY_MAPPING = {
+    "Basic Info": ["basic_info", "Basic Info"],
+    "Technical Features": ["technical_features", "technical_characteristics", "Technical Features"],
+    "Performance Metrics": ["performance_metrics", "performance", "Performance Metrics"],
+    "Milestone Significance": ["milestone_significance", "milestones", "Milestone Significance"],
+    "Business Info": ["business_info", "commercial_info", "Business Info"],
+    "Competition & Ecosystem": ["competition_ecosystem", "competition", "Competition & Ecosystem"],
+    "History": ["history", "History"],
+    "Market Positioning": ["market_positioning", "market", "Market Positioning"],
+}
+```
+
+**3. Complex Value Formatting**
+- list of dicts (e.g., key_events, funding_history): Format each dict as one line, separate kv with ` | `
+- Normal list: Short lists joined with comma, long lists displayed with line breaks
+- Nested dict: Recursive formatting, display with semicolon or line breaks
+- Long text strings (over 100 chars): Add line breaks `<br>` or use blockquote format for readability
+
+**4. Extra Fields Collection**
+Collect fields that exist in JSON but not defined in fields.yaml, put in "Other Info" category. Note to filter:
+- Internal fields: `_source_file`, `uncertain`
+- Nested structure top-level keys: `basic_info`, `technical_features` etc.
+- `uncertain` array: Display each field name on separate line, don't compress into one line
+
+**5. Uncertain Value Skipping**
+Skip conditions:
+- Field value contains `[uncertain]` string
+- Field name is in `uncertain` array
+- Field value is None or empty string
+
+### Step 4: Execute Script
+Run the generated script with the shell tool (`pwsh` on Windows, `bash` on POSIX): `python3 "<absolute {topic} dir>/generate_report.py"`
+
+## Output
+- `{topic}/generate_report.py` - Conversion script
+- `{topic}/report.md` - Summary report
+
+## Prerequisites
+
+Require python3 with PyYAML.