LESSON 03 / 16·2 min readFoundation

The Architecture at a Glance

Must knowConcept lesson
01 Understand02 Recall03 Prepare
Example
                         User message
                              |
                              v
                 Authentication / session context
                              |
                              v
                  LLM information extraction
                  - intent and relevant entities
                  - structured candidate facts
                              |
                              v
                   Schema and policy validation
                  - type / format / allowed values
                  - confidence or ambiguity checks
                              |
                              v
                     Deterministic workflow
                  - current state and ledger
                  - rules and decision tables
                  - required questions / obligations
                  - allowed state transitions
                              |
                 +------------+------------+
                 |                         |
                 v                         v
         Ask / clarify / reject      Approved action
         predefined response         via connector/API
                 |                         |
                 +------------+------------+
                              |
                              v
                       Audit / journal
                              |
                              v
                         User response

The critical separation is between interpreting language and making business decisions.

PAUSE & RECALL

Can you explain it without the notes?

The Architecture at a Glance

Use your own words. Explain an example and one limitation before checking the explanation.

Check your explanation

The critical separation is between interpreting language and making business decisions.

CONNECT IT TO YOUR INTERVIEW

Turn this concept into a clear answer.

Practice this concept
YOUR NEXT STEP

Keep connecting the ideas.

Next lesson: What the LLM Does

Adapted from 19_deterministic_workflow_engine_learnings.md · “2. The Architecture at a Glance”. Examples are study fragments; framework behavior can depend on your version.