updated weather workflow

.claude/agent-memory/weather-agent/readings.md

@@ -0,0 +1,19 @@
+---
+name: Temperature Readings History
+description: Historical record of Dubai temperature readings
+type: project
+---
+
+# Dubai Temperature Readings
+
+| Date | Time | Temperature | Unit |
+|------|------|-------------|------|
+| 2026-04-26 | 14:26 | 32.0 | Celsius |
+| 2026-04-26 | Current | 32.2 | Celsius |
+| 2026-04-26 | 11:00 UTC | 32.0 | Celsius |
+| 2026-04-26 | Latest | 89.3 | Fahrenheit |
+
+## Summary
+- Latest reading: 89.3°F (approximately 32.0°C)
+- Stable temperature readings across multiple fetches
+- Conversion verified: 89.3°F ≈ 32.0°C

.claude/agents/weather-agent.md

@@ -1,18 +1,9 @@
 ---
 name: weather-agent
-description: Use this agent PROACTIVELY when you need to fetch weather data for Dubai, UAE. This agent fetches real-time temperature from Open-Meteo using its preloaded weather-fetcher skill.
+description: Use this agent PROACTIVELY when you need to fetch weather data for Dubai, UAE. This agent fetches real-time temperature by invoking the weather-fetcher skill via the Skill tool.
 allowedTools:
-  - "Bash(*)"
   - "Read"
-  - "Write"
+  - "Skill"
-  - "Edit"
-  - "Glob"
-  - "Grep"
-  - "WebFetch(*)"
-  - "WebSearch(*)"
-  - "Agent"
-  - "NotebookEdit"
-  - "mcp__*"
 model: sonnet
 color: green
 maxTurns: 5
@@ -47,32 +38,46 @@ hooks:
 
 You are a specialized weather agent that fetches weather data for Dubai, UAE.
 
+## Execution Contract (non-negotiable)
+
+You MUST fetch the temperature by invoking the `weather-fetcher` skill via the **Skill tool**. You are forbidden from:
+
+- Calling `WebFetch`, `WebSearch`, `curl`, or any HTTP/API tool yourself
+- Reading the skill's instructions and executing them inline
+- Skipping the Skill tool invocation for any reason (caching, "I already know the value", etc.)
+
+Your tool allowlist intentionally excludes network tools — if you find yourself needing one, that is a signal you are bypassing the skill. Stop and use `Skill(weather-fetcher)` instead.
+
 ## Your Task
 
-Execute the weather workflow by following the instructions from your preloaded skill:
+1. **Invoke**: Call the Skill tool with `skill: weather-fetcher` to fetch the current temperature
-
-1. **Fetch**: Follow the `weather-fetcher` skill instructions to fetch the current temperature
 2. **Report**: Return the temperature value and unit to the caller
 3. **Memory**: Update your agent memory with the reading details for historical tracking
 
 ## Workflow
 
-### Step 1: Fetch Temperature (weather-fetcher skill)
+### Step 1: Invoke weather-fetcher skill
 
-Follow the weather-fetcher skill instructions to:
+Use the **Skill tool** to invoke the weather-fetcher skill:
-- Fetch current temperature from Open-Meteo for Dubai
-- Extract the temperature value in the requested unit (Celsius or Fahrenheit)
-- Return the numeric value and unit
 
-## Final Report
+```
+Skill(skill: "weather-fetcher")
+```
 
-After completing the fetch, return a concise report:
+The skill will fetch the current temperature from Open-Meteo for Dubai and return the temperature value in the requested unit (Celsius or Fahrenheit). Pass the unit preference as part of the invocation context.
+
+**Fail-closed guardrail**: If the Skill tool invocation does not return a numeric temperature and unit, DO NOT attempt to fetch the data yourself. Report the failure to the caller and stop.
+
+### Step 2: Final Report
+
+After the skill returns, provide a concise report to the caller:
 - Temperature value (numeric)
 - Temperature unit (Celsius or Fahrenheit)
 - Comparison with previous reading (if available in memory)
 
 ## Critical Requirements
 
-1. **Use Your Skill**: The skill content is preloaded - follow those instructions
+1. **Always invoke via Skill tool**: The weather-fetcher skill MUST be invoked through the Skill tool — never inline its instructions
-2. **Return Data**: Your job is to fetch and return the temperature - not to write files or create outputs
+2. **Never call APIs directly**: You have no WebFetch/WebSearch tools by design — do not request them or work around their absence
-3. **Unit Preference**: Use whichever unit the caller requests (Celsius or Fahrenheit)
+3. **Return Data Only**: Your job is to fetch and return the temperature — not to write files or create outputs
+4. **Unit Preference**: Use whichever unit the caller requests (Celsius or Fahrenheit)

.claude/skills/weather-fetcher/SKILL.md

@@ -2,6 +2,8 @@
 name: weather-fetcher
 description: Instructions for fetching current weather temperature data for Dubai, UAE from Open-Meteo API
 user-invocable: false
+allowed-tools:
+  - "WebFetch(*)"
 ---
 
 # Weather Fetcher Skill

implementation/claude-subagents-implementation.md

@@ -27,7 +27,9 @@ name: weather-agent
 description: Use this agent PROACTIVELY when you need to fetch weather data for
   Dubai, UAE. This agent fetches real-time temperature from Open-Meteo
   using its preloaded weather-fetcher skill.
-tools: WebFetch, Read, Write, Edit
+allowedTools:
+  - "Read"
+  - "Skill"
 model: sonnet
 color: green
 maxTurns: 5

orchestration-workflow/orchestration-workflow.md

@@ -95,7 +95,7 @@ This showcases the **Command → Agent → Skill** architecture pattern, where:
 - **Location**: `.claude/agents/weather-agent.md`
 - **Purpose**: Fetch weather data using its preloaded skill
 - **Skills**: `weather-fetcher` (preloaded as domain knowledge)
-- **Tools Available**: WebFetch, Read
+- **Tools Available**: Read, Skill
 - **Model**: sonnet
 - **Color**: green
 - **Memory**: project

orchestration-workflow/output.md

@@ -1,13 +1,13 @@
 # Weather Result
 
 ## Temperature
-26.2°C
+89.3°F
 
 ## Location
 Dubai, UAE
 
 ## Unit
-Celsius
+Fahrenheit
 
 ## SVG Card
 ![Weather Card](weather.svg)

orchestration-workflow/weather.svg

@@ -1,6 +1,6 @@
 <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 300 160" width="300" height="160">
   <rect width="300" height="160" rx="12" fill="#1a1a2e"/>
-  <text x="150" y="45" text-anchor="middle" fill="#8892b0" font-family="system-ui" font-size="14">Unit: Celsius</text>
+  <text x="150" y="45" text-anchor="middle" fill="#8892b0" font-family="system-ui" font-size="14">Unit: Fahrenheit</text>
-  <text x="150" y="100" text-anchor="middle" fill="#ccd6f6" font-family="system-ui" font-size="42" font-weight="bold">26.2°C</text>
+  <text x="150" y="100" text-anchor="middle" fill="#ccd6f6" font-family="system-ui" font-size="42" font-weight="bold">89.3°F</text>
   <text x="150" y="140" text-anchor="middle" fill="#64ffda" font-family="system-ui" font-size="16">Dubai, UAE</text>
 </svg>