The direct linkage between the TanStack npm compromise and GitHub's internal repo breach via a malicious Nx Console extension reveals a persistent attack pattern that mainstream reports continue to frame as isolated events. TeamPCP leveraged stolen CI/CD credentials from the initial TanStack and Mistral AI package compromises to poison the Nx Console VS Code extension for roughly 18 minutes on the official marketplace, enabling credential theft across npm, GitHub, AWS, and Docker. This mirrors prior TeamPCP operations targeting PyPI, Docker Hub, and the Mini Shai-Hulud campaign that hit OpenAI staff, forming a clear chain of developer-platform infiltration rather than random incidents. GitHub's CISO confirmed the breach affected 3,800 repositories after an employee installed the tainted extension, yet coverage underplays how GitHub's dominance—serving 90% of Fortune 100 firms and critical open-source infrastructure—amplifies downstream risks to defense, surveillance, and government codebases. Original reporting missed the rapid extension of the attack to UiPath, Guardrails AI, and OpenSearch projects, as well as the low but targeted download volume (under 70 installs) that still achieved high-impact access through GitHub CLI credential leakage. Synthesizing GitHub's official incident blog, BleepingComputer disclosures, and prior TeamPCP tracking by security researchers shows these are not one-offs but engineered supply-chain cascades exploiting trust in VS Code extensions and npm workflows, demanding hardened attestation and runtime monitoring across the ecosystem.