…#699) # Description Completes the migration from the legacy model and macro stack to schema-generated instrumentation and storage. The legacy `quent-model`, `quent-model-macros`, `quent-codegen`, `quent-stdlib`, and `quent-query-engine-model` crates have been removed together with their legacy examples, integration tests, and documentation. ## Application-agnostic analyzer crate (`quent-analyzer`) The analyzer has been refactored to match the modular constraints defined by `quent-ref-target`, `quent-ref-tree`, `quent-fsm`, and `quent-resource`. Previously intertwined entity, FSM, reference-tree, and resource semantics are now separated. - Entities - No longer require an instance name. - Expose storage-independent analysis traits, with Rust-native in-memory implementations isolated under `entity::native`. - FSMs - No longer require a single exit state; any number of states may be final. - Preserve the final transition that closes an FSM. - Validate timestamp and sequence-number ordering. - Validate transition sequences against the statically defined FSM topology. - Isolate Rust-native reconstruction under `fsm::native`. - Reference trees - Provide generic analysis of schema-defined scoped references. - Separate entity scope relationships from resource semantics. - Resources - Remove explicit resource groups in favor of free-form scopes expressed through `quent-ref-tree`. - No longer require resources to be leaves in a reference tree. - No longer prescribe a fixed FSM topology; both plain entities and FSMs may be resources. - Retain derived resource trees for UI hierarchy and aggregated resource timelines. - Contexts - Add application-agnostic indexing from analysis targets to the runtime contexts contributing telemetry. - UI contracts - Move runtime FSM declarations and related UI-specific representations into `quent-ui`. ## Query-engine model - Remove `quent-query-engine-model` and the legacy concrete `InMemoryQueryEngineModel`. - Retain schema-independent query-engine semantics as traits in `quent-query-engine-analyzer`, including entity access, traversal, plan relationships, resource timelines, and UI conversion. - Require applications to implement those traits for their own schema-generated event types instead of depending on a shared concrete event model. - Generalize server-side context discovery around `ContextInventory` rather than query-engine-specific worker indexing. - Remove simulator dependencies from the query-engine server. - Move query-engine UI bindings out of the simulator and into the query-engine domain. ## `quent-open` - Select generated viewer compatibility from the Quent revision recorded in `model.qmi`. - Use Git ancestry boundaries for: - the `quent-exporter` to `quent-io` rename; - NVTX server routes; - query-engine-specific indexing versus application-agnostic context inventories. - Preserve support for artifacts produced from older and divergent branches without detecting compatibility through failed builds. - Use the Git CLI for fetching pinned dependencies so existing SSH configuration and credentials are respected. - Add a compatibility test and repository guidance for preserving historical wrapper contracts across future breaking changes. ## Simulator - Define the simulator application model in `model.yaml`. - Generate instrumentation and stored event types through `quent-instrumentation-build` and `quent-store-build`. - Replace legacy model macros and standard-library resource types with schema-defined entities, FSMs, resources, usages, and scoped references. - Implement the query-engine analyzer traits directly for simulator entities. - Keep the repetitive schema adapters in explicit `boilerplate` modules pending generated analyzer implementations tracked by #288. - Derive resource hierarchy from schema reference relationships while preserving existing binned resource-timeline behavior. - Model tasks, executors, threads, memories, channels, GPUs, storage, and networking as independent schema entities with their actual resource and FSM constraints. - Move the fixed query-engine integration tests under the simulator. ## Related issues Relates to #288. Closes #191 #491 #492 WIP Exploration of upstream changes needed in SiriusDB: sirius-db/sirius#1795 ## Testing - `pixi run cargo fmt --all -- --check` - `pixi run cargo test -p quent-open --all-features` - `pixi run cargo clippy -p quent-open --all-features --all-targets -- -D warnings` _Written by Codex._ Authors: - Johan Peltenburg (https://github.com/johanpel) Approvers: - Matthijs Brobbel (https://github.com/mbrobbel) - Pradeep Garigipati (https://github.com/9prady9) URL: #699

Introduce semantic module components for query engines #288

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