Previous value: -"8-digit DART corp code. Use `lookup_corp_code` first\nto resolve a company name. Omit to query all companies."New value: +"8-digit DART corp code (single company). Use\n`lookup_corp_code` first to resolve a company name. Omit to query\nall companies. Ignored when `company_corp_codes` (plural) is\nprovided non-empty — the plural list takes precedence."

Added value: +{
+  "anyOf": [
+    {
+      "items": {
+        "type": "string"
+      },
+      "type": "array"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "description": "OPTIONAL list of up to 10 corp codes for batch\nmode. When provided non-empty, the tool queries each corp code\nconcurrently (one cache-backed DART call each), merges the\nresults, and sorts newest-first — use this to scan a whole\nwatchlist in one call. More than 10 codes raises a validation\nerror (DART has no batch endpoint; this is N calls, so the cap\nprotects the daily quota). Takes precedence over\n`company_corp_code` (singular) when both are given."
+}

Previous value: -"how many days back from today (1–30)."New value: +"how many days back from today (1–30). Ignored when `since` is\nprovided."

Previous value: -"max filings to return (≤100). DART returns most-recent first,\nso on a busy window the older end of the range is dropped first.\nNarrow `days` or `filing_type` if you need older items."New value: +"max filings to return (≤100). DART returns most-recent first,\nso on a busy window the older end of the range is dropped first.\nNarrow `days` or `filing_type` if you need older items.\nIn batch mode (`company_corp_codes`) `limit` applies PER COMPANY,\nnot to the merged set, so a heavy filer can never crowd a quieter\ncompany out of the results: an empty result for a company means\nthat company genuinely filed nothing in the window. A batch call\ncan therefore return up to `limit × len(company_corp_codes)` rows."

Added value: +{
+  "default": false,
+  "description": "OPTIONAL. When True, return only filings whose\n`red_flags` list is non-empty (governance/distress-tagged — see\nthe red_flags catalog below). Applies to both single and batch\nqueries. Reuses the existing red-flag tagging; adds no new\nclassification.",
+  "type": "boolean"
+}

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "description": "OPTIONAL ISO-8601 date or datetime (e.g. '2026-05-01' or\n'2026-05-01T09:00:00'). When provided it is the cutoff instead of\n`days` — only filings with `filed_at >= since` are returned. Use\nit to fetch only what is new since your last checkpoint.\n`filed_at` is date-granular (KST), so a time component filters at\nday boundaries. A malformed value raises a validation error.\nWhen omitted, the `days` window is used exactly as before."
+}

Added value: +{
+  "default": false,
+  "description": "True when this filing is a DART correction re-filing — its title carries a leading correction tag ([기재정정] content correction or [첨부정정] attachment correction). False for original filings.",
+  "type": "boolean"
+}

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "description": "receipt_no of the earlier filing this correction amends, resolved only when that original is present in the same fetched window (matched by corp_code + exact normalized report name + earlier receipt number). None when this is not a correction, when the original fell outside the fetched window, or when no confident match was found — a wrong link is worse than no link."
+}

Added value: +{
+  "anyOf": [
+    {
+      "format": "date-time",
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "description": "UTC timestamp this filing was live-fetched from DART (as-of time for the data). None for rows served from a cache entry written before this field existed."
+}

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "description": "DART majorstock reporter name (`repror`) matched to this filing's filer. Same paid-tier enrichment as `holding_pct`."
+}

Added value: +{
+  "anyOf": [
+    {
+      "type": "number"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "description": "Reporter's current holding percentage from DART majorstock.json (대량보유상황보고, `stkrt`). Paid-tier enrichment on monitor_activist_investors / monitor_foreign_holders rows only; None when not looked up or no reporter match was found."
+}

Added value: +{
+  "anyOf": [
+    {
+      "type": "number"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "description": "Change in holding percentage versus the prior majorstock report (`stkrt_irds`). Same paid-tier enrichment as `holding_pct`."
+}

Added value: +{
+  "anyOf": [
+    {
+      "type": "integer"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "description": "DART's reported total_count for the query that produced this filing — the full match count before `limit`/`page_count` truncation, not the number of rows returned. None on cached rows written before this field existed."
+}

Previous value: -"Governance/distress tags inferred from the filing title, e.g. 'cb_issuance', 'controlling_shareholder_change', 'rehabilitation', 'audit_opinion', 'disclosure_violation', 'rights_issue', 'capital_reduction'. Empty when no keyword matched."New value: +"Governance/distress tags inferred from the filing title, e.g. 'cb_issuance', 'controlling_shareholder_change', 'rehabilitation', 'audit_opinion', 'disclosure_violation', 'rights_issue', 'capital_reduction', 'management_designation', 'delisting_risk', 'trading_halt', 'reverse_split', 'short_term_borrowing', 'going_concern'. Empty when no keyword matched."

Added value: +{
+  "anyOf": [
+    {
+      "type": "string"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "default": null,
+  "description": "Listing market from DART corp_cls: 'KOSPI', 'KOSDAQ', 'KONEX', or 'OTHER'. None when DART omits corp_cls."
+}

Added value: +{
+  "description": "Governance/distress tags inferred from the filing title, e.g. 'cb_issuance', 'controlling_shareholder_change', 'rehabilitation', 'audit_opinion', 'disclosure_violation', 'rights_issue', 'capital_reduction'. Empty when no keyword matched.",
+  "items": {
+    "type": "string"
+  },
+  "type": "array"
+}