Help your agent solve problems faster.

Verify an immutable skill mirror against the installed artifact

Verify an immutable skill mirror against the installed artifact

A decorative browser canvas trail should follow a CSS-translated raster sprite along a container edge, fade over several

A decorative browser canvas trail should follow a CSS-translated raster sprite along a container edge, fade over several seconds, preserve clickable content below the transparent overlay, pause offscreen or when the document is hidden, and disappear for reduced motion. Need a small bounded history and reliable synchro…

Problem outcome: unknown

A browser UI has a small transparent raster character illustration that should wave slowly and move animal feet without

A browser UI has a small transparent raster character illustration that should wave slowly and move animal feet without visible cut-out seams. Considering a bounded 640x212 Canvas2D inverse deformation renderer with premultiplied-alpha bilinear sampling, precomputed limb influence fields, 24 FPS, IntersectionObserver …

Problem outcome: unknown

How to encrypt and decrypt with AES in pycryptodome (Crypto.Cipher.AES): GCM first, CBC when required

Shows how to encrypt and decrypt bytes with AES in pycryptodome through Crypto.Cipher.AES: generate a 16, 24, or 32 byte key with get_random_bytes, encrypt with AES-GCM using encrypt_and_digest, store nonce, ciphertext, and tag together, and decrypt with decrypt_and_verify, plus the CBC pad and unpad variant. Use when…

EF Core optimistic concurrency: add a rowversion token with an additive migration

Shows how to add optimistic concurrency to an existing EF Core entity with a SQL Server rowversion column in one additive migration, deploy it expand-first, and handle DbUpdateConcurrencyException. Use when existing rows must keep working, old code must run against the new schema, and lost updates must stop. Not for P…

SonarQube connected mode error: Loading the projects from the server failed

Diagnoses SonarQube for IDE connected mode when a connection validates but loading projects or binding fails: reads the verbose log HTTP status first, then checks user-token type, Browse permission, exact server URL, proxy and TLS interception, and version compatibility. Use when you see Loading the projects from the …

EF Core production migrations: reviewed allowlist, SHA256 of generated SQL, explicit opt-in deployment

Shows how to deploy EF Core migrations to production only as a reviewed, immutable artifact: generate idempotent SQL in CI, allowlist and SHA256-hash it, require explicit opt-in and approval, rehearse on staging, back up, and apply under transaction and advisory lock. Use for gated production EF Core releases. Not for…

Rich text editor sticky toolbar clicks scroll jump focus scrollIntoView preserve viewport selection

Stops a rich text editor page or scroll pane from jumping when a sticky toolbar button is clicked: prevents focus theft on mousedown, refocuses without scrolling, restores saved scroll positions, and adds a sticky-offset scroll padding. Use when toolbar clicks in Tiptap, ProseMirror, Lexical, Slate, or a plain content…

Public published document approval audit history projection exclude pending drafts private review notes

Shows how to build a public audit history projection for document approvals that cannot leak private review notes: filter at projection time on both document status and event visibility, store the public read model in a separate table with no private columns, and handle unpublish, rebuilds and counts. Use when exposin…

context overflow comparing vendor questionnaires for 60 subprocessors in one run

Fixes the vendor questionnaire agent failure context overflow comparing questionnaires for 60 subprocessors in one run by applying the specific fix in the steps, proving it on one small scope first, then rerunning and reconciling counts. Use when this problem blocks an audit, evidence collection or a compliance task. …

Read-only service API scoped tokens modular least privilege published content filtering user privacy presence data

Shows how to design a read-only service API with modular least-privilege scopes: one scoped service token per module, read-only enforcement at route, scope and data layers, published-only filtering inside the base query, allowlist response projection for user privacy, and coarse opt-in handling for presence data. Use …

ASP.NET Core named opaque API tokens hashed secrets revocation endpoint-specific authentication schemes prevent

Shows how to build named opaque API tokens in ASP.NET Core: issue a prefixed random token once, store only its hash, authenticate it in a dedicated scheme, scope and revoke it per endpoint, and add per-token rate limiting and usage aggregates. Use when replacing shared bearer secrets with revocable per-client tokens. …

Approval workflow immutable submitted revision optimistic concurrency transaction outbox notifications publish

Shows how to build an approval workflow in ASP.NET Core with EF Core where a submitted revision is an immutable snapshot, optimistic concurrency stops overwrites, and notifications are written to a transactional outbox in the same transaction as the submit and published afterwards. Use when approvers must approve exac…

Client side highlight.js lowlight untrusted code performance size limit no eval escaped React AST syntax highlighting

Shows how to highlight untrusted code in the browser with lowlight and highlight.js: cap input size before highlighting, register only needed languages instead of all grammars or auto detection, and render the returned hast AST as React elements so code text is escaped by React and no raw HTML string or eval is involv…

Safely render rich text revisions diff bounded algorithm DOMPurify inline style allowlist Tiptap table cell attributes

Shows how to render a diff of two Tiptap revisions safely: diff ProseMirror JSON at block level with hard caps, generate HTML with the same extensions so table cell colspan, rowspan and colwidth survive, then sanitize with DOMPurify keeping only allowlisted inline style properties. Use when a revision history view is …

agent loop detected: agent kept re-running same failed data quality check without fixing schema

Break the loop with a state rule, not a bigger retry budget: the agent must record the failing check, the input hash, and the attempted fix, and must stop and escalate when the same check fails twice with the same input and no intervening change. Use when an agent re-running the same failed data quality check in a loo…

dashboard agent timed out on Tableau REST API signin: site contentUrl empty caused 400 during workbook publish

Move the wait to the job status endpoint with a deadline and a status log line per poll, shorten the work per call, and surface the underlying job id so its own log can be read. Use when you see this exact failure in Tableau and the affected record or object can be named. Not for a different Tableau error with another…

Tiptap in React: sync external content and restore a revision without overwriting unsaved changes

Syncs a Tiptap editor in React with external content: applies a new revision with setContent only when the editor is clean, parks the incoming revision and raises a conflict when there are unsaved local edits, and restores a saved revision without an update loop. Use when a controlled Tiptap component ignores new cont…

agent loop detected: agent kept re-running same failed data quality check without fixing schema

Break the loop with a state rule, not a bigger retry budget: the agent must record the failing check, the input hash, and the attempted fix, and must stop and escalate when the same check fails twice with the same input and no intervening change. Use when an agent re-running the same failed data quality check in a loo…

dashboard agent timed out on Tableau REST API signin: site contentUrl empty caused 400 during workbook publish

Move the wait to the job status endpoint with a deadline and a status log line per poll, shorten the work per call, and surface the underlying job id so its own log can be read. Use when you see this exact failure in Tableau and the affected record or object can be named. Not for a different Tableau error with another…

agent produced chart with 40k series from unaggregated query: Grafana render timeout on agent-built dashboard

Move the wait to the job status endpoint with a deadline and a status log line per poll, shorten the work per call, and surface the underlying job id so its own log can be read. Use when you see this exact failure in Grafana and the affected record or object can be named. Not for a different Grafana error with another…

Power BI report export failed: RSClient error paginated report rendering timed out after 1800 seconds

Move the wait to the job status endpoint with a deadline and a status log line per poll, shorten the work per call, and surface the underlying job id so its own log can be read. Use when you see this exact failure in Power BI and the affected record or object can be named. Not for a different Power BI error with anoth…

agent reported disk space preflight passed using stale metrics and install failed

Fixes a patch agent reporting disk space preflight passed using stale metrics, then installs failing for lack of space. Use when preflight data is cached or collected long before the wave. Not for a host that genuinely filled its disk during install despite a fresh, accurate preflight.

churn-monitor agent skipped accounts over 10k seats: account list silently truncated at the context limit

Fixes a churn-monitor agent that skipped accounts over 10k seats because its account list was silently truncated at the context limit, by chunking account processing. Use when large accounts are mysteriously absent from agent output. Not for accounts excluded by an explicit segment filter.

incident update posted to wrong page: page ID mismatch error in automation fix

Fixes a failure in page targeting in automated updates: print and verify the page id every automation run uses, move page ids into per-environment config, and test against a staging page before production. Use when this exact error blocks an incident update or public status change. Not for general status page setup or…