feat(billing): charge for 404s and skip fraud accounting (#1152)

Stainless-Generated-From: 085f22791719d5094cd440be079de41260614133

Author: stlc-bot

src/context/dev/resources/web.py

@@ -2519,7 +2519,7 @@ def web_scrape_md(
         | 200         | Yes — 1 credit, or 2 credits with actions | Successful scrape, including a zero-length result when includeSelectors matched nothing. A partial result (`finalDOMState: "still-loading"`, only with timeoutOpts.behavior=return-partial) is billed at the base 1 credit with no OCR or actions surcharge                                                   |
         | 400         | No                                        | Invalid input, skipped PDF, or the page could not be scraped. error_code WEBSITE_BLOCKED specifically means the site answered with an anti-bot challenge, CAPTCHA wall, or login shell instead of the page (even when the site returned HTTP 200) — retrying later or from another country sometimes succeeds |
         | 401 / 403   | No                                        | Invalid/disabled key, insufficient permissions, or credits exhausted; inspect error_code                                                                                                                                                                                                                      |
-        | 404         | No                                        | Target page returned or fingerprinted as not found                                                                                                                                                                                                                                                            |
+        | 404         | Yes — 1 credit, or 2 credits with actions | Target page returned or fingerprinted as not found                                                                                                                                                                                                                                                            |
         | 408         | No                                        | Request timed out. With timeoutOpts.behavior=return-partial this only happens when nothing usable had rendered by the deadline                                                                                                                                                                                |
         | 413         | No                                        | Target content exceeds the maximum supported size (20 MB)                                                                                                                                                                                                                                                     |
         | 415         | No                                        | Unsupported content type                                                                                                                                                                                                                                                                                      |
@@ -5530,7 +5530,7 @@ async def web_scrape_md(
         | 200         | Yes — 1 credit, or 2 credits with actions | Successful scrape, including a zero-length result when includeSelectors matched nothing. A partial result (`finalDOMState: "still-loading"`, only with timeoutOpts.behavior=return-partial) is billed at the base 1 credit with no OCR or actions surcharge                                                   |
         | 400         | No                                        | Invalid input, skipped PDF, or the page could not be scraped. error_code WEBSITE_BLOCKED specifically means the site answered with an anti-bot challenge, CAPTCHA wall, or login shell instead of the page (even when the site returned HTTP 200) — retrying later or from another country sometimes succeeds |
         | 401 / 403   | No                                        | Invalid/disabled key, insufficient permissions, or credits exhausted; inspect error_code                                                                                                                                                                                                                      |
-        | 404         | No                                        | Target page returned or fingerprinted as not found                                                                                                                                                                                                                                                            |
+        | 404         | Yes — 1 credit, or 2 credits with actions | Target page returned or fingerprinted as not found                                                                                                                                                                                                                                                            |
         | 408         | No                                        | Request timed out. With timeoutOpts.behavior=return-partial this only happens when nothing usable had rendered by the deadline                                                                                                                                                                                |
         | 413         | No                                        | Target content exceeds the maximum supported size (20 MB)                                                                                                                                                                                                                                                     |
         | 415         | No                                        | Unsupported content type                                                                                                                                                                                                                                                                                      |