dsh-cue-bank: A Cross-Session Event Touchpoint Memory for DeepSeek Harness

# Introduction When using DSH (DeepSeek Harness) for development, sessions are isolated: if a topic discussed last week is raised again in a new session today, the agent cannot recall the details; similarly, if a topic is switched and then returned to within the same session, the key information may have already fallen out of context. Existing workarounds each have their limitations—`dsh-session-query` provides a passive query API that requires manual invocation; `dsh-session-reference` requires users to explicitly `@` mention relevant information; `dsh-agent-instructions` only loads static instruction files. None of them actively recall memory at the appropriate time. DSH's philosophy is "everything is a plugin," and capabilities such as cross-session memory can be...