Initial commit: Wonderware / System Platform tools and reference

Five tools under one repo, all docs organized per DOCS-GUIDE.md:

- aalogcli: .NET 4.8 / x86 CliFx CLI for reading System Platform binary
  logs (*.aaLGX) for LLM debugging, built on aaOpenSource/aaLog. Commands:
  last, tail, range, unread, fields. Stable JSON envelope under --llm-json.
  Build template under lib/build/ for rebuilding aaLogReader.dll.

- aot: ArchestrA Object Toolkit 2014 v4.0 reference material. Dev guide
  (Markdown converted from CHM), API reference for the ArchestrA.Toolkit
  namespace, and the Monitor / Watchdog VS sample solutions.

- graccesscli: .NET 4.8 / x86 CliFx CLI that automates Galaxy
  configuration via the ArchestrA GRAccess COM interop. Includes session
  daemon, IPC protocol, and llm-json envelope contract.

- grdb: SQL/DDL exploration of the Galaxy Repository database. DDL
  captures, reusable queries, hierarchy / contained-name <-> tag-name
  translation notes.

- histdb: LLM-oriented reference for AVEVA Historian retrieval. INSQL
  linked-server, extension tables, every wwXxx time-domain extension,
  every retrieval mode, alarm/event SQL recipes, REST API. Distilled
  from the 243-page Historian Retrieval Guide.

Root contains:
- CLAUDE.md: thin index pointing into each tool's README.
- DOCS-GUIDE.md: doctrine for organizing docs for LLM consumption.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

aot/reference/CMxDataQuality.md

@@ -0,0 +1,231 @@
+# CMxDataQuality Class
+
+Namespace: `ArchestrA.Toolkit`
+
+A wrapper class for handling MxDataQuality. Indicates the data quality of an associated value as the OPC-compliant data quality word.
+
+**Syntax**
+
+```csharp
+public class CMxDataQuality
+```
+
+**Remarks**
+
+The high order byte is reserved by ArchestrA (do not use) as allowed by the OPC specification.
+
+## CMxDataQuality Property
+
+### Quality Property
+
+Provides a property to store the quality as a short.
+
+**Syntax**
+
+```csharp
+public short quality;
+```
+
+**Returns**
+
+short
+
+## CMxDataQuality Constructors
+
+### CMxDataQuality Constructor
+
+Provides a constructor that creates a data quality with a default initial value (bad).
+
+**Syntax**
+
+```csharp
+public CMxDataQuality();
+```
+
+### CMxDataQuality Constructor DataQuality
+
+Provides a constructor to create a data quality with an initial value of DataQuality type.
+
+**Syntax**
+
+```csharp
+public CMxDataQuality(DataQuality dataQuality);
+```
+
+**Parameters**
+
+**`dataQuality`**
+
+[in] DataQuality value to be set.
+
+### CMxDataQuality Constructor OpcQuality
+
+Provides a constructor to create a data quality with an initial value of OpcQuality type.
+
+**Syntax**
+
+```csharp
+public CMxDataQuality(OpcQuality opcQuality);
+```
+
+**Parameters**
+
+**`opcQuality`**
+
+[in] OpcQuality value to be set.
+
+### CMxDataQuality Constructor short
+
+Provides a constructor to create a data quality with an initial value of short type.
+
+**Syntax**
+
+```csharp
+public CMxDataQuality(short q);
+```
+
+**Parameters**
+
+**`q`**
+
+[in] short.
+
+## CMxDataQuality Methods
+
+### IsBad Method
+
+Provides a method to check if the current quality is bad.
+
+**Syntax**
+
+```csharp
+public bool isBad { get; }
+```
+
+**Returns**
+
+bool
+
+### IsGood Method
+
+Provides a method to check if the current quality is good.
+
+**Syntax**
+
+```csharp
+public bool isGood { get; }
+```
+
+**Returns**
+
+bool
+
+### IsInitializing Method
+
+Provides a method to check if the current quality is initializing.
+
+**Syntax**
+
+```csharp
+public bool isInitializing { get; }
+```
+
+**Returns**
+
+bool
+
+### IsUncertain Method
+
+Provides a method to check if the current quality is uncertain.
+
+**Syntax**
+
+```csharp
+public bool isUncertain { get; }
+```
+
+**Returns**
+
+bool
+
+## CMxDataQuality Operator Overloads
+
+### CMxValue Operator Overload CMxDataQuality
+
+Provides an operator that converts from CMxDataQuality to CMxValue.
+
+**Syntax**
+
+```csharp
+public static implicit operator CMxValue(CMxDataQuality x);
+```
+
+**Parameters**
+
+**`x`**
+
+[in] CMxDataQuality value to convert to CMxValue.
+
+**Returns**
+
+CMxValue
+
+### DataQuality Operator Overload CMxDataQuality
+
+Provides an operator that converts from CMxDataQuality to DataQuality.
+
+**Syntax**
+
+```csharp
+public static implicit operator DataQuality(CMxDataQuality x);
+```
+
+**Parameters**
+
+**`x`**
+
+[in] CMxDataQuality value to convert to DataQuality.
+
+**Returns**
+
+DataQuality
+
+### CMxDataQuality Operator Overload DataQuality
+
+Provides an operator that converts from DataQuality to CMxDataQuality.
+
+**Syntax**
+
+```csharp
+public static implicit operator CMxDataQuality(DataQuality x);
+```
+
+**Parameters**
+
+**`x`**
+
+[in] DataQuality value to convert to CMxDataQuality.
+
+**Returns**
+
+CMxDataQuality
+
+### CMxDataQuality Operator Overload OpcQuality
+
+Provides an operator that converts from OpcQuality to CMxDataQuality.
+
+**Syntax**
+
+```csharp
+public static implicit operator CMxDataQuality(OpcQuality x);
+```
+
+**Parameters**
+
+**`x`**
+
+[in] OpcQuality value to convert to CMxDataQuality.
+
+**Returns**
+
+CMxDataQuality