# Headless Reverse Engineering This context describes how users ask reproducible, read-only questions about binaries through Ghidra without managing Ghidra's internal project model. ## Language **Sample**: An immutable sequence of input bytes identified by a cryptographic content digest. Identical bytes are the same Sample even when they have different file names or locations. _Avoid_: Binary, file, target **Analysis Profile**: The canonical analysis inputs other than the Sample, including Ghidra and Java versions, Target Specification, fully resolved loader and analyzer options, analysis-adapter version, and maximum CPU count. _Avoid_: Configuration, settings **Target Specification**: The loader, executable format, processor language, and compiler specification used by Ghidra to interpret a Sample. _Avoid_: Architecture, target **Analysis**: The reusable body of facts Ghidra derives from one Sample under one Analysis Profile. _Avoid_: Project, database, workspace **Quarantined Analysis**: Analysis data that failed integrity validation and is retained for diagnosis but can never satisfy a Query. _Avoid_: Analysis, cache miss **Query**: A read-only question evaluated against an Analysis. A Query cannot change the Sample or Analysis. _Avoid_: Command, job, operation **Function**: A Ghidra-discovered unit of executable behavior identified within an Analysis by its entry Address. _Avoid_: Symbol, method **Function Selector**: An unambiguous reference used to choose a function by address or resolved symbol name. _Avoid_: Function name, function ID **Call Edge**: A directed relationship from a caller Function through a callsite Address to a resolved or unresolved callee, produced by a future targeted Query. _Avoid_: Call, dependency **Reference**: A Ghidra-derived relationship from one Address to another Address or external symbol, produced by a future targeted Query. _Avoid_: Pointer, cross-reference result **Address**: A location within an Analysis identified by an explicit Ghidra address space and an offset whose width is defined by that space. _Avoid_: Integer, offset, pointer **Artifact**: A durable, schema-versioned representation of a Query result tied to its Analysis. _Avoid_: Output, report, result file **Diagnostic Log**: A tool-owned record of execution diagnostics that may explain an Analysis or Query failure but is not part of the Query result. _Avoid_: Artifact, output **Invocation**: One synchronous attempt by the Rust harness to run a bounded Ghidra/Java operation and validate its response. _Avoid_: Job, session, worker **Worker Sandbox**: The capability-limited environment containing only the untrusted Ghidra/JVM child for one Invocation; the trusted Rust harness remains outside it. _Avoid_: Analysis Store, containerized CLI **Cleanup Transaction**: Tool-owned staged data that has been removed from active store visibility and is awaiting complete deletion or a recoverable retry. _Avoid_: Analysis, quarantine **Target Verification**: The declared relationship between a Target Specification and the project's integration-test matrix: either verified or unverified. _Avoid_: Ghidra confidence, supported Sample **Analysis Store**: The tool-owned collection of reusable Analyses, Quarantined Analyses, Artifacts, and Diagnostic Logs. It is disposable and never contains the authoritative Sample. _Avoid_: Project directory, cache directory, workspace