goals（goals 搜索）

Process Goals in Prompt Optimization

Core Principle

Process goals (controllable intermediate actions) provide dense feedback signals; outcome goals (end-result demands) provide sparse, delayed feedback. This asymmetry explains why behavioral prompting dominates direct output demands.

Mechanism: Dense intermediate supervision → stable gradients → reliable optimization
Failure mode: Sparse outcome signal → high variance → reward hacking / hallucination

Goal Typology

λ-Instantiations

Chain-of-Thought (CoT)

# Outcome (weak): "What is 247 × 38?"
# Process (strong):
prompt = """
Solve 247 × 38.
Think step-by-step:
1. Break into partial products
2. Show each multiplication
3. Sum the results
4. State final answer
"""

Mechanism: Mandates controllable decomposition → self-supervision at each step → error detection before propagation.

Variants: Zero-shot CoT ("Let's think step by step"), Auto-CoT (automated exemplar generation), Faithful CoT (enforced structure).

Decomposition & Sub-Goals

# Tree-of-Thoughts pattern
decompose = """
Generate 3 possible approaches to this problem.
For each approach:
  - State the sub-goals required
  - Identify potential failure points
  - Estimate confidence
Select the approach with highest expected success.
"""

# ReAct pattern
react = """
Thought: [Analyze current state]
Action: [Select tool/operation]
Observation: [Record result]
... repeat until solved ...
"""

Mechanism: Explicit sub-goal enumeration → local optimization per sub-problem → composition into global solution.

Auxiliary Tasks

# Direct (weak): "Write a function to sort this list"
# With auxiliary (strong):
aux_prompt = """
Before writing the function:
1. State the input/output types
2. Identify edge cases (empty, single element, duplicates)
3. Choose algorithm and justify complexity
4. Write the function
5. Trace execution on a small example
"""

Mechanism: Forces deeper processing via intermediate outputs → surfaces implicit assumptions → catches errors early.

Structured Output Constraints

# Unstructured (weak): "Analyze this data"
# Structured (strong):
structured = """
Analyze the data. Output as:

## Summary Statistics
[numerical summary]

## Key Findings
1. [finding with evidence]
2. [finding with evidence]

## Confidence Assessment
- High confidence: [claims]
- Uncertain: [claims requiring verification]
"""

Mechanism: Format constraints → consistent reasoning patterns → verifiable outputs.

Automatic Optimization Paradigm

Why Process Goals Emerge

Search space: discrete prompt tokens
Objective: maximize downstream performance
Challenge: non-differentiable, combinatorial

Solution: Search for PROCESS INSTRUCTIONS
  → Dense intermediate feedback enables gradient estimation
  → Behavioral prompts transfer across tasks
  → Compositional structure reduces search dimensionality

Optimization Methods

DSPy Integration

import dspy

class ProcessOptimizedModule(dspy.Module):
    """Process goals as learnable signatures."""

    def __init__(self):
        # Process-oriented signatures
        self.decompose = dspy.ChainOfThought("problem -> subgoals, approach")
        self.execute = dspy.ReAct("subgoals, context -> intermediate_results")
        self.synthesize = dspy.Predict("intermediate_results -> final_answer")

    def forward(self, problem):
        # Explicit process steps
        plan = self.decompose(problem=problem)
        results = self.execute(subgoals=plan.subgoals, context=plan.approach)
        return self.synthesize(intermediate_results=results)

# Optimizer learns to refine process instructions
optimizer = dspy.MIPROv2(metric=task_metric, num_threads=4)
optimized = optimizer.compile(ProcessOptimizedModule(), trainset=examples)

Implementation Patterns

Pattern 1: Process Scaffolding

def scaffold_prompt(task: str, domain: str) -> str:
    """Wrap any task in process scaffolding."""
    return f"""
Task: {task}

Before responding:
1. Identify the key requirements
2. Consider potential approaches
3. Select approach and justify
4. Execute step-by-step
5. Verify output meets requirements

Domain context: {domain}
"""

Pattern 2: Progressive Disclosure

def progressive_process(complexity: int) -> str:
    """Scale process detail to task complexity."""

    if complexity < 2:  # Trivial
        return ""  # No scaffolding needed

    elif complexity < 4:  # Simple
        return "Think through this step by step."

    elif complexity < 8:  # Moderate
        return """
Break this into steps:
1. Understand the problem
2. Plan your approach
3. Execute and verify
"""

    else:  # Complex
        return """
Use systematic analysis:

## Problem Decomposition
- Core requirements:
- Constraints:
- Success criteria:

## Approach Selection
- Option A: [describe] - Pros/Cons
- Option B: [describe] - Pros/Cons
- Selected: [justify]

## Execution Trace
[step-by-step with intermediate validation]

## Verification
- Requirements met: [checklist]
- Confidence: [with justification]
"""

Pattern 3: Self-Critique Integration

critique_process = """
After your initial response:

CRITIQUE:
- What assumptions did I make?
- Where might I be wrong?
- What would a skeptic object to?

REVISION:
- Address each critique
- Strengthen weak points
- Explicitly note remaining uncertainty
"""

Empirical Calibration

Efficiency: Process prompting often reduces total tokens via early error detection and structured reasoning.

Risk Mitigation

Integration with Holonic Architecture

# Process goals as λ-transforms in skill composition
process_transform = {
    "ρ.parse": "Decompose input into components",
    "ρ.branch": "Generate alternative approaches",
    "ρ.reduce": "Select optimal path with justification",
    "ρ.ground": "Execute with intermediate verification",
    "ρ.emit": "Synthesize with confidence bounds"
}

# Validation: process goal adherence
def validate_process(response: str, expected_steps: List[str]) -> bool:
    """Verify process scaffolding was followed."""
    return all(
        step_marker in response
        for step_marker in expected_steps
    )

Quick Reference

ALWAYS: Behavioral instructions > outcome demands
SCALE: Process detail ∝ task complexity
VERIFY: Include self-check at each process step
OPTIMIZE: Use APE/OPRO to discover domain-specific process formulations

CoT: "Think step by step" → d=1.36 equivalent
Decomposition: Sub-goals + local optimization
Auxiliary: Intermediate outputs force deep processing
Structure: Format constraints enable verification