diff --git a/skills/auto-daily-summary/SKILL.md b/skills/auto-daily-summary/SKILL.md
deleted file mode 100644
index bf61688..0000000
--- a/skills/auto-daily-summary/SKILL.md
+++ /dev/null
@@ -1,218 +0,0 @@
----
-name: auto-daily-summary
-description: Generate recurring summaries, daily reports, content digests, and concise action-oriented briefs from multiple inputs. Use when the user asks for daily summaries, periodic briefings, meeting digests, content condensation, or automated recurring report generation. 中文触发词包括：日报、周报、摘要、会议纪要、内容浓缩、自动汇总、每天发我一份总结。
----
-
-# Auto Daily Summary
-
-## Overview
-
-This skill converts scattered information into concise, structured summaries for recurring or one-off use.
-
-Typical scenarios:
-- daily or weekly report generation
-- long content condensation
-- meeting or conversation summary
-- multi-source digest
-- action-item extraction
-
-This skill focuses on **organization and summarization**, not source retrieval itself.
-
-## Quick Start
-
-When the user asks for a summary or report:
-
-1. Identify the sources to summarize
-2. Clarify the audience and desired level of detail
-3. Determine whether the output is one-time or recurring
-4. Summarize by theme, not by raw chronological dump unless requested
-5. Extract action items and watch items when useful
-
-### 中文任务映射
-- “帮我整理成日报” → `daily_report`
-- “做个周报/周总结” → `digest` 或 `daily_report`
-- “把这段会议内容整理一下” → `meeting_digest`
-- “浓缩成 3-5 条重点” → `digest` + `short`
-- “每天早上发我一份总结” → `plan-recurring` + `schedule-job`
-
-
-## Input Requirements
-
-| Field | Required | Description |
-|-------|----------|-------------|
-| source content | yes | Text, notes, messages, links, reports, logs, or mixed content |
-| summary objective | yes | Inform, decide, archive, handoff, or monitor |
-| audience | no | Self, team, manager, executive, customer |
-| time scope | no | Today, this week, meeting duration, selected period |
-| desired length | no | TL;DR, short, standard, detailed |
-| output style | no | Daily report, digest, executive summary, bullet list |
-| action extraction | no | Whether to extract todos, risks, blockers |
-
-## Workflow Decision Tree
-
-### Content Summary
-Use when the user wants a concise summary of a long input.
-
-### Daily / Weekly Report
-Use when the user wants a periodic report with sections and status updates.
-
-### Meeting Digest
-Use when the user wants decisions, action items, and blockers from a discussion.
-
-### Recurring Summary Workflow
-Use when the user wants this to happen on a schedule. In that case, pair with `schedule-job`.
-
-## Instructions
-
-### Step 1: Identify source boundaries
-Clarify what should and should not be included in the summary.
-
-### Step 2: Determine the correct abstraction level
-Choose the right level for the audience:
-- executive audience -> implications and decisions
-- working team -> concrete tasks and blockers
-- archive -> structured factual recap
-
-### Step 3: Group by theme
-Prefer grouping by:
-- progress
-- decisions
-- blockers
-- risks
-- next steps
-
-Avoid copying source order unless chronology itself matters.
-
-### Step 4: Extract action items
-When appropriate, identify:
-- owner
-- task
-- due timing
-- dependency or blocker
-
-If ownership is unclear, say so.
-
-### Step 5: Prepare for automation if needed
-If the user wants recurring output:
-- use `schedule-job` for cadence
-- use `imap-smtp-email` or other enabled notification skills for delivery
-
-## Scripts
-
-### CLI Usage
-
-Use the following commands when you need stable structured outputs:
-
-```bash
-poetry run python skills/auto-daily-summary/scripts/summary_cli.py validate --input-json '<JSON>'
-poetry run python skills/auto-daily-summary/scripts/summary_cli.py run --input-json '<JSON>' --output json
-poetry run python skills/auto-daily-summary/scripts/summary_cli.py plan-recurring --input-json '<JSON>'
-```
-
-### Recommended Uses
-- `validate` - check whether the summary request payload is complete
-- `run` - generate summary JSON and markdown
-- `plan-recurring` - generate a schedule-ready message payload for `schedule-job`
-
-
-### Daily Report
-```markdown
-# Daily Report
-
-## Summary
-[Short summary]
-
-## Key Updates
-- [Update]
-
-## Decisions
-- [Decision]
-
-## Risks / Blockers
-- [Risk or blocker]
-
-## Next Actions
-- [Action]
-```
-
-### Content Digest
-```markdown
-# Content Digest
-
-## TL;DR
-[Very short summary]
-
-## Main Themes
-### 1. [Theme]
-- [Key point]
-
-## Notable Details
-- [Detail]
-
-## Follow-up
-- [Suggested follow-up]
-```
-
-## Quality Checklist
-
-Before finalizing, verify:
-- the summary matches the audience level
-- repetition and noise are removed
-- key decisions are not buried
-- action items are explicit when relevant
-- uncertainty is preserved rather than flattened away
-- the result is shorter and clearer than the source material
-
-## Fallback Strategy
-
-If the input is too fragmented:
-- produce a partial summary by theme
-- list gaps or unclear areas
-- ask for additional source material only if needed for the user’s stated goal
-
-## Related Skills
-
-- `skills/schedule-job/SKILL.md` - automate recurring execution
-- `skills/imap-smtp-email/SKILL.md` - send summaries via email
-- `skills/market-academic-insight/SKILL.md` - use when the task is deeper research synthesis rather than pure summarization
-- `skills/competitor-news-intel/SKILL.md` - use when competitor monitoring and intelligence is the real task
-
-## Examples
-
-**User**: "帮我把今天的工作内容整理成日报"
-
-Expected output:
-- summary
-- key updates
-- blockers
-- next actions
-
-**User**: "把这篇长文浓缩成 5 条重点"
-
-Expected output:
-- TL;DR
-- 5 concise points
-- optional follow-up note
-
-**User**: "每天早上自动给我发新闻摘要"
-
-Expected output:
-- summary format definition
-- recommendation to combine with `schedule-job`
-- delivery method confirmation
-
-**User**: "把这段会议记录整理成会议纪要"
-
-Expected output:
-- summary
-- decisions
-- action items
-- blockers if any
-
-**User**: "给我做个今天的三段式总结"
-
-Expected output:
-- summary
-- key updates
-- next actions
-
diff --git a/skills/auto-daily-summary/scripts/summary_cli.py b/skills/auto-daily-summary/scripts/summary_cli.py
deleted file mode 100644
index c055af9..0000000
--- a/skills/auto-daily-summary/scripts/summary_cli.py
+++ /dev/null
@@ -1,164 +0,0 @@
-#!/usr/bin/env python3
-import argparse
-import json
-import sys
-from datetime import datetime, UTC
-
-from summary_core import build_summary, validate_payload
-
-
-ERROR_TEMPLATE = {
-    "success": False,
-    "code": "invalid_input",
-    "message": "",
-    "data": {},
-    "meta": {},
-    "errors": [],
-}
-
-
-def _now_iso() -> str:
-    return datetime.now(UTC).isoformat()
-
-
-def _emit_json(data: dict, pretty: bool, stream=None):
-    print(json.dumps(data, ensure_ascii=False, indent=2 if pretty else None), file=stream or sys.stdout)
-
-
-def _error_response(code: str, message: str, errors: list[str] | None = None) -> dict:
-    return {
-        **ERROR_TEMPLATE,
-        "code": code,
-        "message": message,
-        "meta": {"generated_at": _now_iso()},
-        "errors": errors or [],
-    }
-
-
-def _parse_bool(value: str | None) -> bool | None:
-    if value is None:
-        return None
-    lowered = value.lower()
-    if lowered in {"1", "true", "yes", "y"}:
-        return True
-    if lowered in {"0", "false", "no", "n"}:
-        return False
-    raise ValueError(f"invalid boolean value: {value}")
-
-
-def _load_payload(raw: str) -> dict:
-    return json.loads(raw)
-
-
-def _apply_overrides(payload: dict, args: argparse.Namespace) -> dict:
-    payload.setdefault("data", {})
-    if args.lang:
-        payload["language"] = args.lang
-    if args.style:
-        payload["data"]["style"] = args.style
-    if args.length:
-        payload["data"]["length"] = args.length
-    if hasattr(args, "extract_actions"):
-        extract_actions = _parse_bool(getattr(args, "extract_actions", None))
-        if extract_actions is not None:
-            payload["data"]["extract_actions"] = extract_actions
-    if hasattr(args, "extract_risks"):
-        extract_risks = _parse_bool(getattr(args, "extract_risks", None))
-        if extract_risks is not None:
-            payload["data"]["extract_risks"] = extract_risks
-    return payload
-
-
-def cmd_validate(args: argparse.Namespace):
-    payload = _apply_overrides(_load_payload(args.input_json), args)
-    errors = validate_payload(payload)
-    result = {
-        "success": not errors,
-        "code": "ok" if not errors else "invalid_input",
-        "message": "payload valid" if not errors else "payload invalid",
-        "data": {"valid": not errors},
-        "meta": {"generated_at": _now_iso()},
-        "errors": errors,
-    }
-    target_stream = sys.stdout if not errors else sys.stderr
-    _emit_json(result, args.pretty, target_stream)
-    if errors:
-        raise SystemExit(1)
-
-
-def cmd_run(args: argparse.Namespace):
-    payload = _apply_overrides(_load_payload(args.input_json), args)
-    errors = validate_payload(payload)
-    if errors:
-        _emit_json(_error_response("invalid_input", "payload invalid", errors), args.pretty, sys.stderr)
-        raise SystemExit(1)
-    data = build_summary(payload)
-    if args.output == "markdown":
-        print(data["markdown"])
-        return
-    result = {
-        "success": True,
-        "code": "ok",
-        "message": "summary generated",
-        "data": data,
-        "meta": {
-            "generated_at": _now_iso(),
-            "source_count": len(payload.get("data", {}).get("sources", [])),
-        },
-        "errors": [],
-    }
-    _emit_json(result, args.pretty)
-
-
-def cmd_plan_recurring(args: argparse.Namespace):
-    payload = _apply_overrides(_load_payload(args.input_json), args)
-    errors = validate_payload(payload)
-    if errors:
-        _emit_json(_error_response("invalid_input", "payload invalid", errors), args.pretty, sys.stderr)
-        raise SystemExit(1)
-    data = build_summary(payload)
-    result = {
-        "success": True,
-        "code": "ok",
-        "message": "recurring plan generated",
-        "data": {"schedule_payload": data["schedule_payload"]},
-        "meta": {"generated_at": _now_iso()},
-        "errors": [],
-    }
-    _emit_json(result, args.pretty)
-
-
-def build_parser() -> argparse.ArgumentParser:
-    parser = argparse.ArgumentParser(description="Generate structured summaries")
-    subparsers = parser.add_subparsers(dest="command", required=True)
-    for name in ["validate", "run", "plan-recurring"]:
-        sub = subparsers.add_parser(name)
-        sub.add_argument("--input-json", required=True)
-        sub.add_argument("--lang")
-        sub.add_argument("--style")
-        sub.add_argument("--length")
-        sub.add_argument("--extract-actions")
-        sub.add_argument("--extract-risks")
-        sub.add_argument("--pretty", action="store_true")
-        if name == "run":
-            sub.add_argument("--output", choices=["json", "markdown"], default="json")
-    subparsers.choices["validate"].set_defaults(func=cmd_validate)
-    subparsers.choices["run"].set_defaults(func=cmd_run)
-    subparsers.choices["plan-recurring"].set_defaults(func=cmd_plan_recurring)
-    return parser
-
-
-if __name__ == "__main__":
-    parser = build_parser()
-    args = parser.parse_args()
-    try:
-        args.func(args)
-    except json.JSONDecodeError as exc:
-        _emit_json(_error_response("invalid_input", f"invalid json: {exc}", [str(exc)]), getattr(args, "pretty", False), sys.stderr)
-        raise SystemExit(1)
-    except ValueError as exc:
-        _emit_json(_error_response("invalid_input", str(exc), [str(exc)]), getattr(args, "pretty", False), sys.stderr)
-        raise SystemExit(1)
-    except Exception as exc:
-        _emit_json(_error_response("internal_error", "unexpected error", [str(exc)]), getattr(args, "pretty", False), sys.stderr)
-        raise SystemExit(1)
diff --git a/skills/auto-daily-summary/scripts/summary_core.py b/skills/auto-daily-summary/scripts/summary_core.py
deleted file mode 100644
index ddc2186..0000000
--- a/skills/auto-daily-summary/scripts/summary_core.py
+++ /dev/null
@@ -1,228 +0,0 @@
-import re
-from collections import Counter
-from typing import Any
-
-SUMMARY_LENGTH_LIMITS = {
-    "tldr": 2,
-    "short": 4,
-    "standard": 6,
-    "detailed": 10,
-}
-
-ACTION_PREFIX_PATTERNS = [
-    r"^(?:TODO|待办|action)[:：]?\s*(.+)$",
-    r"^(?:需要|跟进)\s*(.+)$",
-]
-
-RISK_KEYWORDS = {
-    "high": ["阻塞", "blocker", "故障", "失败", "严重", "不可用"],
-    "medium": ["风险", "延迟", "异常", "超时", "报错"],
-    "low": ["提醒", "注意", "观察", "待确认"],
-}
-
-BOOL_FIELDS = ["extract_actions", "extract_risks"]
-VALID_STYLES = {"daily_report", "digest", "meeting_digest", "executive"}
-VALID_LENGTHS = {"tldr", "short", "standard", "detailed"}
-
-
-def _clean_text(text: str) -> str:
-    return re.sub(r"\s+", " ", (text or "").strip())
-
-
-def _normalize_key(text: str) -> str:
-    text = _clean_text(text).lower()
-    return re.sub(r"[^\w\u4e00-\u9fff]+", "", text)
-
-
-def _split_sentences(text: str) -> list[str]:
-    raw_parts = re.split(r"[。！？；.!?;]+|\n+", text)
-    return [_clean_text(part) for part in raw_parts if _clean_text(part)]
-
-
-def _sentence_tokens(sentence: str) -> list[str]:
-    return re.findall(r"[A-Za-z0-9_-]+|[\u4e00-\u9fff]{2,}", sentence.lower())
-
-
-def _top_sentences(texts: list[str], limit: int) -> list[str]:
-    sentences: list[str] = []
-    for text in texts:
-        sentences.extend(_split_sentences(text))
-
-    if not sentences:
-        return []
-
-    token_counter = Counter()
-    for sentence in sentences:
-        token_counter.update(_sentence_tokens(sentence))
-
-    scored: list[tuple[int, int, str]] = []
-    for index, sentence in enumerate(sentences):
-        score = sum(token_counter[token] for token in _sentence_tokens(sentence))
-        scored.append((score, -index, sentence))
-
-    ranked = [sentence for _, _, sentence in sorted(scored, reverse=True)]
-    unique_ranked = []
-    seen = set()
-    for sentence in ranked:
-        key = _normalize_key(sentence)
-        if key and key not in seen:
-            seen.add(key)
-            unique_ranked.append(sentence)
-        if len(unique_ranked) >= limit:
-            break
-    return unique_ranked
-
-
-def _trim_fragment(text: str, max_length: int = 80) -> str:
-    fragment = re.split(r"[，,。；;!?]", text, maxsplit=1)[0]
-    fragment = _clean_text(fragment)
-    return fragment[:max_length].strip()
-
-
-def _extract_actions(texts: list[str]) -> list[dict[str, Any]]:
-    items: list[dict[str, Any]] = []
-    for text in texts:
-        for sentence in _split_sentences(text):
-            for pattern in ACTION_PREFIX_PATTERNS:
-                match = re.match(pattern, sentence, re.IGNORECASE)
-                if not match:
-                    continue
-                task = _trim_fragment(match.group(1))
-                if len(task) < 2:
-                    continue
-                items.append({"task": task, "owner": None, "due_at": None, "blocker": None})
-                break
-    dedup = []
-    seen = set()
-    for item in items:
-        key = _normalize_key(item["task"])
-        if key and key not in seen:
-            seen.add(key)
-            dedup.append(item)
-    return dedup[:10]
-
-
-def _extract_risks(texts: list[str]) -> list[dict[str, Any]]:
-    risks: list[dict[str, Any]] = []
-    for text in texts:
-        for sentence in _split_sentences(text):
-            lowered = sentence.lower()
-            for impact, keywords in RISK_KEYWORDS.items():
-                matched = next((keyword for keyword in keywords if keyword.lower() in lowered), None)
-                if not matched:
-                    continue
-                start = max(0, lowered.find(matched.lower()) - 18)
-                end = min(len(sentence), lowered.find(matched.lower()) + len(matched) + 30)
-                fragment = _clean_text(sentence[start:end])
-                fragment = fragment[:120]
-                if len(fragment) < 2:
-                    continue
-                risks.append({"risk": fragment, "impact": impact, "mitigation": None})
-                break
-    dedup = []
-    seen = set()
-    for item in risks:
-        key = _normalize_key(item["risk"])
-        if key and key not in seen:
-            seen.add(key)
-            dedup.append(item)
-    return dedup[:10]
-
-
-def _build_summary_line(sentences: list[str]) -> str:
-    if not sentences:
-        return "暂无可提炼的关键信息。"
-    selected = sentences[:2]
-    return "；".join(selected)
-
-
-def build_summary(payload: dict[str, Any]) -> dict[str, Any]:
-    data = payload.get("data", {})
-    sources = data.get("sources", [])
-    texts = [_clean_text(source.get("content", "")) for source in sources if _clean_text(source.get("content", ""))]
-    length = data.get("length", "standard")
-    style = data.get("style", "daily_report")
-    limit = SUMMARY_LENGTH_LIMITS.get(length, SUMMARY_LENGTH_LIMITS["standard"])
-    top_sentences = _top_sentences(texts, limit)
-
-    summary_line = _build_summary_line(top_sentences)
-    summary_keys = {_normalize_key(sentence) for sentence in top_sentences[:2]}
-    detail_sentences = [sentence for sentence in top_sentences if _normalize_key(sentence) not in summary_keys]
-
-    sections = []
-    if detail_sentences:
-        if len(detail_sentences) == 1:
-            sections = [{"title": "Key Updates", "bullets": detail_sentences}]
-        else:
-            midpoint = max(1, len(detail_sentences) // 2)
-            sections = [
-                {"title": "Key Updates", "bullets": detail_sentences[:midpoint]},
-                {"title": "Notable Details", "bullets": detail_sentences[midpoint:]},
-            ]
-
-    action_items = _extract_actions(texts) if data.get("extract_actions") else []
-    risk_items = _extract_risks(texts) if data.get("extract_risks") else []
-
-    markdown_lines = ["# Summary", "", "## Summary", f"- {summary_line}"]
-    for section in sections:
-        if not section["bullets"]:
-            continue
-        markdown_lines.extend(["", f"## {section['title']}"])
-        markdown_lines.extend(f"- {bullet}" for bullet in section["bullets"])
-    if action_items:
-        markdown_lines.extend(["", "## Action Items"])
-        markdown_lines.extend(f"- {item['task']}" for item in action_items)
-    if risk_items:
-        markdown_lines.extend(["", "## Risks"])
-        markdown_lines.extend(f"- [{item['impact']}] {item['risk']}" for item in risk_items)
-
-    schedule_payload = {
-        "suggested_name": "Daily Summary",
-        "message": "[Scheduled Task Triggered] 请立即汇总最新内容并输出结构化摘要，如有行动项和风险请一并列出，然后选择合适的通知方式发送给用户。",
-    }
-
-    return {
-        "summary": summary_line,
-        "sections": sections,
-        "action_items": action_items,
-        "risk_items": risk_items,
-        "markdown": "\n".join(markdown_lines),
-        "schedule_payload": schedule_payload,
-        "style": style,
-    }
-
-
-def _validate_source(source: Any, index: int) -> list[str]:
-    errors = []
-    if not isinstance(source, dict):
-        return [f"data.sources[{index}] must be an object"]
-    if not _clean_text(str(source.get("content", ""))):
-        errors.append(f"data.sources[{index}].content is required")
-    return errors
-
-
-def validate_payload(payload: dict[str, Any]) -> list[str]:
-    errors = []
-    data = payload.get("data")
-    if not isinstance(data, dict):
-        return ["data must be an object"]
-    sources = data.get("sources")
-    if not isinstance(sources, list) or not sources:
-        errors.append("data.sources must be a non-empty array")
-    else:
-        for index, source in enumerate(sources):
-            errors.extend(_validate_source(source, index))
-    objective = data.get("objective")
-    if not isinstance(objective, str) or not objective.strip():
-        errors.append("data.objective is required")
-    style = data.get("style")
-    if style is not None and style not in VALID_STYLES:
-        errors.append(f"data.style must be one of {sorted(VALID_STYLES)}")
-    length = data.get("length")
-    if length is not None and length not in VALID_LENGTHS:
-        errors.append(f"data.length must be one of {sorted(VALID_LENGTHS)}")
-    for field in BOOL_FIELDS:
-        value = data.get(field)
-        if value is not None and not isinstance(value, bool):
-            errors.append(f"data.{field} must be a boolean")
-    return errors
diff --git a/skills/baidu-search/.claude-plugin/plugin.json b/skills/linggan/baidu-search/.claude-plugin/plugin.json
similarity index 100%
rename from skills/baidu-search/.claude-plugin/plugin.json
rename to skills/linggan/baidu-search/.claude-plugin/plugin.json
diff --git a/skills/baidu-search/SKILL.md b/skills/linggan/baidu-search/SKILL.md
similarity index 100%
rename from skills/baidu-search/SKILL.md
rename to skills/linggan/baidu-search/SKILL.md
diff --git a/skills/baidu-search/scripts/search.py b/skills/linggan/baidu-search/scripts/search.py
similarity index 100%
rename from skills/baidu-search/scripts/search.py
rename to skills/linggan/baidu-search/scripts/search.py
diff --git a/skills/bot-self-modifier/SKILL.md b/skills/linggan/bot-self-modifier/SKILL.md
similarity index 100%
rename from skills/bot-self-modifier/SKILL.md
rename to skills/linggan/bot-self-modifier/SKILL.md
diff --git a/skills/bot-self-modifier/scripts/bot_modifier.py b/skills/linggan/bot-self-modifier/scripts/bot_modifier.py
similarity index 100%
rename from skills/bot-self-modifier/scripts/bot_modifier.py
rename to skills/linggan/bot-self-modifier/scripts/bot_modifier.py
diff --git a/skills/bot-self-modifier/skill.yaml b/skills/linggan/bot-self-modifier/skill.yaml
similarity index 100%
rename from skills/bot-self-modifier/skill.yaml
rename to skills/linggan/bot-self-modifier/skill.yaml
diff --git a/skills/caiyun-weather/SKILL.md b/skills/linggan/caiyun-weather/SKILL.md
similarity index 100%
rename from skills/caiyun-weather/SKILL.md
rename to skills/linggan/caiyun-weather/SKILL.md
diff --git a/skills/caiyun-weather/_meta.json b/skills/linggan/caiyun-weather/_meta.json
similarity index 100%
rename from skills/caiyun-weather/_meta.json
rename to skills/linggan/caiyun-weather/_meta.json
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