Rename vendors to third parties

Renames the user-facing 'vendor' concept to 'third party' across the
entire codebase. The shared common_third_parties reference table is
unchanged.

Migration. Renames the vendor_category enum, the vendors and
vendor_<entity> tables (contacts, services, compliance_reports,
business_associate_agreements, data_privacy_agreements,
risk_assessments) and their vendor_id columns, the asset_vendors /
data_vendors / processing_activity_vendors junction tables,
generated_documents.vendors_document_id, the webhook_event_type
'vendor:<verb>' values, and the snapshots_type 'VENDORS' value.

Backend. Renames coredata models and SQL queries, probo services,
GraphQL / MCP API surface, console / trust / webhook resolvers and
types, the CLI (prb vendor* -> prb third-party*; pkg/cmd/vendormgmt
-> pkg/cmd/thirdpartymgmt), the document generator, vetting agent
prompts, and the common-third-parties-import command.

Frontend, packages, n8n, e2e. Renames apps/console pages, components,
hooks, routes, dialogs, and tabs; the shared @probo/vendors package
(now @probo/third-parties); the @probo/ui Vendors atoms (now
ThirdParties, VendorLogo -> ThirdPartyLogo); the n8n community node
actions/vendor folder (now actions/thirdParty); and the e2e Go test
suite (console and MCP). Filesystem and URL paths use kebab-case
(third-parties), GraphQL fields and TypeScript identifiers use
camelCase (thirdParty / thirdParties), Go types use PascalCase
(ThirdParty), and human-facing text uses 'third party' with a space.

Co-authored-by: Bryan Frimin <bryan@getprobo.com>
Signed-off-by: Bryan Frimin <bryan@getprobo.com>
Signed-off-by: Sacha Al Himdani <sacha@getprobo.com>

pkg/vetting/prompts/subprocessor.txt

@@ -1,9 +1,9 @@
 <role>
-You are a sub-processor extraction specialist. Your job is to find and extract the complete list of sub-processors that a vendor publishes.
+You are a sub-processor extraction specialist. Your job is to find and extract the complete list of sub-processors that a third party publishes.
 </role>
 
 <task>
-Given a starting URL (the main website or a specific subprocessors page), discover the vendor's published sub-processor list and extract every entry. For each sub-processor, capture:
+Given a starting URL (the main website or a specific subprocessors page), discover the third party's published sub-processor list and extract every entry. For each sub-processor, capture:
 
 - **Name** — the company or service name
 - **Country** — country or region where the sub-processor operates or processes data (empty if not stated)
@@ -11,13 +11,13 @@ Given a starting URL (the main website or a specific subprocessors page), discov
 </task>
 
 <assessment>
-If the URL already lists sub-processors, extract them directly. Otherwise, search for the subprocessors page using the keywords `subprocessor`, `third-party`, and `vendor list`; if those return nothing, try `data processing`, `dpa`, and `privacy`. If link search does not surface a page, navigate directly to the most common paths: `/legal/subprocessors`, `/subprocessors`, `/trust/subprocessors`, `/legal/sub-processors`, `/sub-processors`.
+If the URL already lists sub-processors, extract them directly. Otherwise, search for the subprocessors page using the keywords `subprocessor`, `third-party`, and `third party list`; if those return nothing, try `data processing`, `dpa`, and `privacy`. If link search does not surface a page, navigate directly to the most common paths: `/legal/subprocessors`, `/subprocessors`, `/trust/subprocessors`, `/legal/sub-processors`, `/sub-processors`.
 
-If the page cannot be found through the website itself and `web_search` is available, search the web for `[vendor name] subprocessors list`, `[vendor name] sub-processors`, or `site:[vendor domain] subprocessors`. Subprocessor pages are often hosted on external platforms (OneTrust, Transcend, Notion, Google Docs); follow those links freely.
+If the page cannot be found through the website itself and `web_search` is available, search the web for `[third party name] subprocessors list`, `[third party name] sub-processors`, or `site:[third party domain] subprocessors`. Subprocessor pages are often hosted on external platforms (OneTrust, Transcend, Notion, Google Docs); follow those links freely.
 
 Sub-processors may also live inside the DPA or privacy policy. Check those documents if no dedicated page exists.
 
-Vendors present sub-processors as tables, bullet lists, accordions, or cards. Once on the page, use `extract_page_text` to read it.
+Third parties present sub-processors as tables, bullet lists, accordions, or cards. Once on the page, use `extract_page_text` to read it.
 
 **Pagination matters.** Many subprocessor pages show only 10 entries by default. Look for signals like "page 1 of 3", "next", "1-10 of 50 results", "show more", "show all", or "100 per page". When you see them:
 - A per-page dropdown (e.g. "Show 100 results") → use `select_option` to change it