refactor(workflows): move core_adapter contents up one level

Promote graph, lifecycle, and node_handler to top-level modules,
removing the unnecessary core_adapter grouping layer.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

lib/crates/fabro-workflows/src/core_adapter/mod.rs

@@ -1,7 +0,0 @@
-pub mod graph;
-pub mod handler;
-pub mod lifecycle;
-
-pub use graph::{WorkflowEdge, WorkflowGraph, WorkflowNode};
-pub use handler::WorkflowNodeHandler;
-pub use lifecycle::WorkflowLifecycle;

lib/crates/fabro-workflows/src/lib.rs

@@ -95,7 +95,9 @@ pub mod checkpoint;
 pub mod conclusion;
 pub mod condition;
 pub mod context;
-pub mod core_adapter;
+pub mod graph;
+pub mod lifecycle;
+pub mod node_handler;
 pub mod cost;
 pub mod devcontainer_bridge;
 pub mod error;

lib/crates/fabro-workflows/src/lifecycle/artifact.rs

@@ -8,8 +8,8 @@ use fabro_core::lifecycle::{AttemptContext, AttemptResultContext, RunLifecycle};
 use fabro_core::outcome::NodeResult;
 use fabro_core::state::RunState;
 
-use super::super::graph::WorkflowGraph;
-use super::super::WorkflowNode;
+use crate::graph::WorkflowGraph;
+use crate::graph::WorkflowNode;
 use crate::artifact::{offload_large_values, sync_artifacts_to_env, ArtifactStore};
 use crate::event::{EventEmitter, RunNoticeLevel, WorkflowRunEvent};
 use crate::outcome::StageUsage;

lib/crates/fabro-workflows/src/lifecycle/auto_status.rs

@@ -4,8 +4,8 @@ use fabro_core::lifecycle::RunLifecycle;
 use fabro_core::outcome::NodeResult;
 use fabro_core::state::RunState;
 
-use super::super::graph::WorkflowGraph;
-use super::super::WorkflowNode;
+use crate::graph::WorkflowGraph;
+use crate::graph::WorkflowNode;
 use crate::outcome::{StageStatus, StageUsage};
 
 type WfRunState = RunState<Option<StageUsage>>;

lib/crates/fabro-workflows/src/lifecycle/circuit_breaker.rs

@@ -8,8 +8,8 @@ use fabro_core::lifecycle::{EdgeContext, EdgeDecision, RunLifecycle};
 use fabro_core::outcome::NodeResult;
 use fabro_core::state::RunState;
 
-use super::super::graph::WorkflowGraph;
-use super::super::WorkflowNode;
+use crate::graph::WorkflowGraph;
+use crate::graph::WorkflowNode;
 use crate::error::{FailureCategory, FailureSignature};
 use crate::graph_ops::classify_outcome;
 use crate::outcome::{OutcomeExt, StageStatus, StageUsage};

lib/crates/fabro-workflows/src/lifecycle/disk.rs

@@ -8,8 +8,8 @@ use fabro_core::lifecycle::RunLifecycle;
 use fabro_core::outcome::NodeResult;
 use fabro_core::state::RunState;
 
-use super::super::graph::WorkflowGraph;
-use super::super::WorkflowNode;
+use crate::graph::WorkflowGraph;
+use crate::graph::WorkflowNode;
 use super::circuit_breaker::CircuitBreakerLifecycle;
 use crate::checkpoint::Checkpoint;
 use crate::event::{EventEmitter, RunNoticeLevel, WorkflowRunEvent};

lib/crates/fabro-workflows/src/lifecycle/event.rs

@@ -8,8 +8,8 @@ use fabro_core::lifecycle::{AttemptContext, AttemptResultContext, EdgeContext, R
 use fabro_core::outcome::NodeResult;
 use fabro_core::state::RunState;
 
-use super::super::graph::WorkflowGraph;
-use super::super::WorkflowNode;
+use crate::graph::WorkflowGraph;
+use crate::graph::WorkflowNode;
 use super::git::GitCheckpointResult;
 use crate::artifact::ArtifactStore;
 use crate::event::{EventEmitter, WorkflowRunEvent};

lib/crates/fabro-workflows/src/lifecycle/fidelity.rs

@@ -6,8 +6,8 @@ use fabro_core::graph::NodeSpec;
 use fabro_core::lifecycle::{EdgeContext, NodeDecision, RunLifecycle};
 use fabro_core::state::RunState;
 
-use super::super::graph::WorkflowGraph;
-use super::super::WorkflowNode;
+use crate::graph::WorkflowGraph;
+use crate::graph::WorkflowNode;
 use crate::context::keys;
 use crate::graph_ops::{resolve_fidelity, resolve_thread_id};
 use crate::outcome::StageUsage;

lib/crates/fabro-workflows/src/lifecycle/git.rs

@@ -9,8 +9,8 @@ use fabro_core::lifecycle::RunLifecycle;
 use fabro_core::outcome::NodeResult;
 use fabro_core::state::RunState;
 
-use super::super::graph::WorkflowGraph;
-use super::super::WorkflowNode;
+use crate::graph::WorkflowGraph;
+use crate::graph::WorkflowNode;
 use crate::artifact::ArtifactStore;
 use crate::event::{EventEmitter, RunNoticeLevel, WorkflowRunEvent};
 use crate::outcome::{Outcome, StageStatus, StageUsage};

lib/crates/fabro-workflows/src/lifecycle/hook.rs

@@ -10,8 +10,8 @@ use fabro_core::lifecycle::{
 use fabro_core::outcome::NodeResult;
 use fabro_core::state::RunState;
 
-use super::super::graph::WorkflowGraph;
-use super::super::WorkflowNode;
+use crate::graph::WorkflowGraph;
+use crate::graph::WorkflowNode;
 use crate::graph_ops::set_hook_node;
 use crate::outcome::{Outcome, OutcomeExt, StageStatus, StageUsage};
 use fabro_hooks::{HookContext, HookDecision, HookEvent, HookRunner};

lib/crates/fabro-workflows/src/lifecycle/mod.rs

@@ -23,8 +23,8 @@ use fabro_core::lifecycle::{
 use fabro_core::outcome::NodeResult;
 use fabro_core::state::RunState;
 
-use super::graph::WorkflowGraph;
-use super::WorkflowNode;
+use crate::graph::WorkflowGraph;
+use crate::graph::WorkflowNode;
 use crate::artifact::ArtifactStore;
 use crate::context;
 use crate::event::EventEmitter;

lib/crates/fabro-workflows/src/node_handler.rs

@@ -12,8 +12,8 @@ use fabro_core::retry::RetryPolicy as CoreRetryPolicy;
 
 use crate::context::Context;
 
-use super::graph::WorkflowGraph;
-use super::WorkflowNode;
+use crate::graph::WorkflowGraph;
+use crate::graph::WorkflowNode;
 use crate::handler::{format_panic_message, EngineServices};
 use crate::outcome::{Outcome, StageStatus};
 use crate::{graph_ops, run_dir};
@@ -147,7 +147,7 @@ mod tests {
     use fabro_graphviz::graph::types::{Edge, Graph, Node};
     use fabro_graphviz::graph::AttrValue;
 
-    use super::super::graph::WorkflowGraph;
+    use crate::graph::WorkflowGraph;
     use super::*;
 
     /// Minimal spike handler that always succeeds — proves the trait plumbing.

lib/crates/fabro-workflows/src/pipeline/execute.rs

@@ -6,7 +6,9 @@ use fabro_core::state::RunState;
 use tokio_util::sync::CancellationToken;
 
 use crate::context::{self, Context};
-use crate::core_adapter::{WorkflowGraph, WorkflowLifecycle, WorkflowNodeHandler};
+use crate::graph::WorkflowGraph;
+use crate::lifecycle::WorkflowLifecycle;
+use crate::node_handler::WorkflowNodeHandler;
 use crate::error::FabroError;
 use crate::handler::EngineServices;
 use crate::outcome::{Outcome, StageStatus};